Which equation matches to the graph?
1. y = -x + 1/2
2. y = (-1/2)x - 1
3. y = 2x - 1
4. y = 4x + 2

Which Equation Matches To The Graph?1. Y = -x + 1/22. Y = (-1/2)x - 13. Y = 2x - 14. Y = 4x + 2

Answers

Answer 1

Answer:

2. y = -1/2x - 1

Step-by-step explanation:

First we want to find the slope of the line.

To find the slope of the line, we use the slope formula: (y₂ - y₁) / (x₂ - x₁)

Plug in these values using two points (-4, 1) & (2, -2)

(-2 - 1) / (2 - (-4))

Simplify the parentheses.

= (-2 - 1) / (2 + 4)

= (-3) / (6)

Simplify the fraction.

-3/6

= -1/2

This is your slope. Plug this value into the standard slope-intercept equation of y = mx + b.

y = -1/2x + b

b is the y-intercept when the line crosses the y-axis.

From the graph, we can see that the point on the y-axis is (0, -1)

Therefore, b is -1.

Plug this into the equation.

y = -1/2x - 1

Hope this helps!

Answer 2

Answer:

Points :-

( -2,0)(0,-1)

Calculation of Slope :-

m = 0+1/-2-0m = 1/-2m = -1

Y intercept :-

y intercept = -1

Using Slope Intercept Form :-

y = mx + c y = -1/2x + -1

Related Questions

POSSIBLE PONTS 10
6. Which of the following visual representations correctly displays a relationship between sets of real numbers?
F
H.
Irrational
Real
Rational
Irrational
Rational
Real
Real
Rational Real Irrational
Rational
Irrational

Answers

Answer:

hey there buddy

Step-by-step explanation:

Avery is currently making $14 per hour at her job. Her boss gives her a 15% raise for showing good work ethic.

If she works 40 hours per week, how much more will Avery be making than before her 15% raise?
A.$15.00
B.$280.00
C.$84.00
D.$116.00

Answers

Answer:

C)  $84

Step-by-step explanation:

40 x 14 = 560

she made $560 prior to raise

14 x 1.15 = 16.10

her new hourly rate is $16.10

40 x 16.1 = 644

she now earns $644 per week

644 - 560 = 84

I need correct answer please!:)​

Answers

Answer:

G. Angle NKL is congruent to angle ZWX is the answer

Step-by-step explanation:

Hope it helps you:)

Can somebody please explain to me what tessellation is?

Answers

Answer:

A tessellation is created when a shape is repeated over and over again covering a plane without any gaps or overlaps.

Step-by-step explanation:

Find three consecutive even integers such that the square of the first is 80 less than the square of the third. [Only an algebraic solution will be accepted.]​

Answers

Answer:

First number = 19

Second consecutive = 20

Third consecutive = 21

Step-by-step explanation:

Assume;

First number = x

So,

Second consecutive = x + 1

Third consecutive = x + 1 + 1 = x + 2

So,

(x + 2)² - x² = 80

x² + 2(2)(x) + 2² - x² = 80

x² + 4x + 4 - x² = 80

4x + 4 = 80

4x = 80 - 4

4x = 76

x = 76 / 4

x = 19

First number = x

First number = 19

Second consecutive = x + 1

Second consecutive = 19 + 1

Second consecutive = 20

Third consecutive = x + 2

Third consecutive = 19 + 2

Third consecutive = 21

A vase has the shape of a rectangular prism. The inside of the vase is also a rectangular prism. What is the volume of the solid part of the vase

Answers

The volume of solid part of the vase is equal to volume of rectangular vase minus volume of inside of the vase. We know that volume of rectangular prism is length times width times height. Therefore, the volume of the solid part of the vase is 1560 cubic c

Q9 A gardener wants to build this greenhouse in the top right hand corner of her garden.
This is a sketch plan of her garden.
2.5m
5.5m
greenhouse
2m
here
5.5m
2.5m
She will leave a 50cm space between the greenhouse and the edge of the garden.
She wants a scaled plan of the garden showing the position of the greenhouse.
Draw a scale plan. Put the scale you use on the plan.​

Answers

Answer:

See attachment for drawing

Step-by-step explanation:

Given

See attachment for sketch of plan

Required

Draw a scaled plan

From the question, the garden has the following dimensions.

5.5m, 5.5m, 4m and 2.5m

Using a scale of 1m : 50 cm units, the above measurements will be represented as:

[tex]5.5m \to \frac{5.5m}{50cm} \to \frac{5.5m}{0.5m} \to 11cm[/tex]

[tex]4m \to \frac{4m}{50cm} \to \frac{4m}{0.5m} \to 8cm[/tex]

[tex]2.5m \to \frac{2.5m}{50cm} \to \frac{2.5m}{0.5m} \to 5cm[/tex]

From the question, we understand that there will be 50cm space between the greenhouse and the edge.

On the scale drawing, this will be represented as:

[tex]50cm \to \frac{50cm}{50cm} \to 1cm[/tex]

From the question, the green house has the following dimensions.

2m, 2.5m

On the scale drawing, this will be represented as:

[tex]2m \to \frac{2m}{50cm} \to \frac{2m}{0.5m} \to 4m[/tex]

[tex]2.5m \to \frac{2.5m}{50cm} \to \frac{2.5m}{0.5m} \to 5m[/tex]

See attachment 2 for scale drawing

Toy cars cost $2. If Anna bought 4 toy cars and 5 toy airplanes and spent $38, how
much does a toy airplane cost?

Answers

Answer: A toy airplane costs $6

Step-by-step explanation: Because 4 toy cars cost $8 , then there are $30 for 5 toy planes. One toy plane cost 30/5 = $6

Find the slope of the line represented by the table. Show all work

Answers

You are given the formula
m = (y2-y1)/(x2-x1)
You can pick any two points on table
Let’s choose (9,2) and (3,-2)
Plug in the values into formula
m = (-2-2)/(3-9)
m = -4/-6
Simplify: m = 2/3

Solution: m = 2/3

Work out the value of x when 2^30/8^9=2^x step by step explan please
please i need explanation >"

Answers

Answer: Write the expression in exponential form with the base of 2 like this 2^30/8^9= 2^3=2^x since thebases are the same, set the exponents equal. 3=x swap sides x=3

Step-by-step explanation:

Can someone pls help me

Answers

Answer:

around 5,-5

Step-by-step explanation:

since its gona move 3 units up and 3 units left

Write the equation of a line that goes through the points (2, -2) and (1, -8)

show work i will appreciate it

Answers

Answer:

y=6x-14

Step-by-step explanation:

m=-8-(-2)/1-2

m=-8+2/1-2

m=-6/-1

m=6

y-y1=m(x-x1)

y-(-2)=6(x-2)

y+2=6x-12

y=6x-2-12

y=6x-14

The population of Bengal tigers in a region of India can be modeled by the function P = 450(0.85), where P is the
population and I is the number of years since 2000.
What is the Bengal tiger population in 2000?
and by what percent does the tiger population decrease each year?

Answers

Answer:

(a) The population in 2000 is 450

(b) 15% decreases each year

Step-by-step explanation:

Given

[tex]P = 450(0.85)^t[/tex] --- since 2000

[tex]P \to Population[/tex]

[tex]t \to years[/tex]

Solving (a): The population in 2000

First calculate t

[tex]t = 2000 - 2000[/tex] --- years since 200

[tex]t = 0[/tex]

So, we have:

[tex]P = 450(0.85)^t[/tex]

[tex]P = 450 * 0.85^0[/tex]

[tex]P = 450 * 1[/tex]

[tex]P = 450[/tex]

Solving (b): Rate of population decrease

A function that decreases is represented as:

[tex]P(t) = a(1 - r)^t[/tex]

Where

[tex]r \to[/tex] rate of decrement

Compare [tex]P(t) = a(1 - r)^t[/tex] and [tex]P = 450(0.85)^t[/tex]

[tex]1- r = 0.85[/tex]

Collect like terms

[tex]r = 1 - 0.85[/tex]

[tex]r = 0.15[/tex]

Express as percentage

[tex]r = 15\%[/tex]

Find the approximant radius of a circle with a circumference of 34.48 inches. Use 3.14 for π Round to the nearest hundredth

Answers

Answer:

5.49 inches

Step-by-step explanation:

Given data

Circumference= 34.48inches

The expression for the circumference of a circle is

C= 2πr

Make r the subject of formula

r= C/2π

r= 34.48/2*3.14

r= 34.48/6.28

r= 5.49 inches

Hence the radius is  5.49 inches

what is the exterior angle theorem​

Answers

Answer:

Proposition 1.16 in Euclid's Elements, which states that the measure of an exterior angle of a triangle is greater than either of the measures of the remote interior angles.

Step-by-step explanation:

which expression is equivalent to -3.5(4x - 3) ? And why?

Answers

10.5 - 14x

We can distribute the -3.5 to the polynomial (4x - 3) by multiplying each term by -3.5, so

(-3.5)(4x) + (-3.5)(-3) = -14x + 10.5, rearranged to 10.5 - 14x

The BEEEST answer will get brainliest. Also, I NEED HELP, I'm STUCK!


A sample proportion of 0.36 is found. To determine the margin of error for this statistic, a simulation of 100 trials is run, each with a sample size of 50 and a point estimate of 0.36.


The minimum sample proportion from the simulation is 0.28, and the maximum sample proportion from the simulation is 0.40.


The margin of error of the population proportion is found using half the range.


What is the interval estimate of the true population proportion?

A.)(0.24, 0.48)

B.)(0.30, 0.42)

C.)(0.22, 0.50)

D.)(0.20, 0.52)

Answers

Answer:

(0.30, 0.42)

Step-by-step explanation:

i took the test :)

1. There are two small rectangles in this picture that make one large rectangle. How
could
you
find the area of the large rectangle?
10
My thoughts/workspace
3
5
What is the area of the large rectangle?
units?

Answers

Answer:

Finding the area of a large rectangle is A = l × b

Step-by-step explanation:

A= Area, while I=length and B= the base, the way to find the area of the big one is by finding the area of the small ones first then adding them together,

Example: (a=lxb) + (a=lxb) = Area of big rectangle

Dan walks around the block. The block is 200 feet wide and 800 feet long. How many feet did he walk?

Answers

Answer:

2000 feet

Step-by-step explanation:

200*2=400

800*2=1600

400+1600=2000

Andrea used 4 1/3 yards of material to make a dress she has 1 1/4 yards left over how much material did Andrea start with

Answers

Answer:

[tex]1\frac{7}{12}\quad[/tex]  yards [tex]\left(\mathrm{Decimal:\quad }\:1.58333\dots \right)[/tex]

Step-by-step explanation:

To find how much Andrea started with, subtraction is needed. To subtract, we need to set up fractions;

[tex]4\frac{1}{3}-\frac{11}{4}[/tex]

Convert the mixed number to an improper fraction: [tex]a\frac{b}{c} = \frac{a \cdot c+b }{c}[/tex]

[tex]4\frac{1}{3}=\frac{4\cdot 3+1}{3}[/tex]

[tex]=\frac{13}{3}[/tex]

[tex]=\frac{13}{3}-\frac{11}{4}[/tex]

Least common multiplier: 3,4 = 12

Adjust fractions based on the LCM

[tex]=\frac{52}{12}-\frac{33}{12}[/tex]

Apply the fraction rule: [tex]\quad \frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}[/tex]

[tex]\frac{52}{12}-\frac{33}{12}=\frac{52-33}{12}[/tex]

[tex]=\frac{52-33}{12}[/tex]

Add the numbers: [tex]52-33=19[/tex]

[tex]=\frac{19}{12}[/tex]

Convert the improper fraction to mixed numbers: [tex]Quotient \frac{Remainder}{Divisor}[/tex]

[tex]\frac{19}{12}=1\frac{7}{12}[/tex]

[tex]=1\frac{7}{12}[/tex]

Therefore, Andrea started with [tex]1\frac{7}{12}[/tex] yard material.

At the end of 7 years, an investment with a discount rate of 12% is worth $300. What is the present value?

The present value is $ _____

Answers

Step-by-step explanation:

Apr=Annual × percentage× rate

7years × 12% × $300

= 36000.

The present value of the annuity will be $135.

What is present value?

The current value of a certain amount in the future by methods of charging compounded interest is known as present value. By using the given information, the present value can be calculated as,

[tex]\rm Present\ Value= FV\ x\ \dfrac{1}{(1+r)^n}\\\\\rm Present\ Value=300\ x\ \dfrac{1}{(1+0.07)^1^2}\\\\\rm Present\ Value=\$135.70[/tex]

Hence, the present value is calculated as above.

Learn more about present value here:

https://brainly.com/question/17322936

#SPJ2

Re-write the quadratic function below in Standard Form
y = 9(x - 1)(x + 3)

Answers

y=9(x^2+3x-x-3)
y=9(x^2+2x-3)
y=9x^2+18x-27

Square contains 4cm. find the area of the shape.​

Answers

Answer:

Step-by-step explanation:

'Area of a square' formula is A = s^2, where s in the length of one side.

Here, with s = 4 cm, A = 16 cm^2

If the length is 4cm, it's probably 16. But just to check can you describe the question more?

The function f(x) = 1.25x^2 models the packaging costs, in cents, for a box shaped like a rectangular prism.

Answers

Answer:

Me too, I need this 12

Step-by-step explanation:

Ughh

Help pleaseeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

-3,5 to find it first go over then go up and you have your answer

Answer:

The answer is (5, -3)

Hope this helps!

Mark me brainliest if I'm right :)

Lines L and M are parallel
LY
3
2/5
16
38° 7
- М
Find : mz6
Enter the number that
belongs in the green box
?
Someone help me please?

Answers

Answer:

38 degrees

Step-by-step explanation:

Angle 6 and the angle that we already know the measurement of are vertical angles.

And vertical angles are always equal to each other, so that means that the measure of angle 6 is also 38 degrees.

Solve for j jj. j − 2 + 7 = − 12 −2 j ​ +7=

Answers

Answer:

j= -10/3

Step-by-step explanation:

j - 2 + 7 = - 12 - 2j + 7

*add -2 and 7 to get 5

j + 5 = -12 - 2j + 7

*add -12 and 7 to get -5

j + 5 = -5 - 2j

*add 2j to both sides

3j + 5 = -5

*subtract 5 from both sides

3j = -10

*divide both sides by 3

j= -10/3

PLS HELP ILL PUT U AS BRAINLIST AND FOLLOW U

Answers

Answer:

76cm^2

Step-by-step explanation:

Can be divided in three parts

Part 1; Area= 6×2

=12cm^2

Part 2; Area= 2×2

=4cm^2

Part 3; Area= 10×6

=60cm^2

Add them; 60+4+12

76

Answer:

area 1

10x6

=60

area 2

2x4

=8

area 3

2x4

=8

total area is 60+8+8

total area is 76m²

Find each measure below.
arc SR=

Answers

Answer:

Measure of arc SR = 62°

Step-by-step explanation:

By using the property,

"Measure of an arc of the circle is double of the measure of the angle subtended by the arch."

m∠SUR = [tex]\frac{1}{2}m(\text{arc SR})[/tex]

m(arc SR) = 2m∠SUR

                 = 2(31°)

                 = 62°

#2: Grace needs to buy a new printer. The printer she wants has a price tag of $60. She has a 25% off coupon and $50 in her bank account. If she must pay 6.75% sales tax, will she have enough money to buy the printer? If yes, how much will she have left over? If no, how much is she short?

Answers

Answer:

yes

Step-by-step explanation:

$60×25%=$15...so the coupon she have worth $15 but she also have $50

so she has an overall of $65 she can use

but she must pay sales tax:$60×6,75%=$4.05

so then the overall money that she must pay for the printer is $60+$4.05=$64.05

so then the difference of her money and the price of the printer is:

$65-$64.05=$0.95

$0.95 is left over

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