Which quadratic equation has roots -7 and -4?

Answers

Answer 1

Answer:

the given set of solutions {−7,4} is y=x2+3x−28 y = x 2 + 3 x - 28 .


Related Questions

what is 18/15 in lowest terms

Answers

Answer:

Find the GCD (or HCF) of numerator and denominator. GCD of 18 and 15 is 3.

18 ÷ 315 ÷ 3.

Reduced fraction: 65. Therefore, 18/15 simplified to lowest terms is 6/5.

Dom mowed 2/5 of his lawn. Maddy mowed 1/4 of it. who mowed most. how much more needs to be mowed

Answers

Answer:

Dom mowed the most and 7/20 is how much is left

Step-by-step explanation:

To compare the answer of which is larger you need a like denominator. Maddy: 5/20

Dom: 8/20

Now what is left for them to do is 7/20.

x-(2x+3)
how to solve and why you change the sign for the +3?

Answers

Answer:

-x - 3

Step-by-step explanation:

x-(2x + 3)

=> x-1(2x + 3)

=> x - 2x - 3

=> -x - 3

Therefore, this is the solution. Hoped this helped.

[tex]GeniusUser[/tex]

Answer:

Step-by-step explanation:

x-(2x+3)

Notice that we can't further simplify the things in the bracket so we should multiply by -1

Technically this is like:

x - 1(2x+3)

-1 times 2x = -2x   , -1 times 3 is -3

= x - 2x - 3

= -x - 3

what is the answer for 4x<-28

Answers

Answer:

  x < -7

Step-by-step explanation:

Divide both sides of the equation by the coefficient of x.

  (4x)/4 < (-28)/4

  x < -7

Answer:

x<-7

Step-by-step explanation:

thank you in advance to whoever answers !!!!

Answers

Answer:

answer c would be correct because the model both moved and rotated.

With a coupon, you can get a pair of shoes that normally costs $84 for only $72. What
percentage was the discount? Show your work!
LZ Math 7

Answers

Answer:

14%

Step-by-step explanation:

I NEED ANSWER NOW PLEASE TELL ME THE ANSWER AND HOW YOU GOT IT I WILL MARK U AS BRAINLIEST IT DUE IN 5 MINS
(GIVE ME ALL THE ANSWERS)

Answers

Answer:          

1 is 42,256 =              

3 × 105

+ 0 × 104

+ 5 × 103

+ 4 × 102

+ 4 × 101

+ 4 × 100

       

2 is

4 × 104

+ 2 × 103

+ 2 × 102

+ 5 × 101

+ 6 × 100

3 is   9,905,482 =

9 × 106

+ 9 × 105

+ 0 × 104

+ 5 × 103

+ 4 × 102

+ 8 × 101

+ 2 × 100

Step-by-step explanation:


Solve for x : 3x - 24 = 81

Answers

Answer:

3x - 24 = 81

3x = 81 + 24

3x = 105

x = 105 / 3

x = 35

Step-by-step explanation:

3x - 24 = 81
3x = 81 + 24
3x = 105
x = 35

This graph shows the amount of (s) money in Jack's account after (w) weeks.

Which equation represents the amount of (s) money in Jack's account after (w) weeks?

Answers

Answer:

s=6w

Step-by-step explanation:

the graph goes up by 6 on the y axis for everyone one that the x moves

Answer:

d

Step-by-step explanation:

Can you please help me?!

Answers

Answer:

a. (2,1)

b. (0,2)

c. (4,0)

Step-by-step explanation:

2x+ 4y = 8 /2

x + 2y = 4

x = 4 - 2y and y = (4 - x)/2

a. x = 2 => y = 1

b. x = 0 => y = 2

c. y = 0 => x = 4

the slopes of a quadrilateral are -1/2, 3/2, -1/2, and 3/2. What conclusion about this shape cam be made.​

Answers

The conclusion that can be made given the slopes of the quadrilateral is that: since the slopes of the opposite sides are equal, the opposite sides are parallel, therefore the quadrilateral is a parallelogram. (Option A is correct).

Recall:

The slopes of the opposite sides of a parallelogram are always parallel.When two lines have a slope that is equal, the lines are said to be parallel to each other.

The slopes given shows are:

-1/2, 3/2, -1/2, and 3/2

This implies that the quadrilateral has two pairs of equal sides that are parallel to each other.

Therefore, the conclusion that can be made given the slopes of the quadrilateral is that: since the slopes of the opposite sides are equal, the opposite sides are parallel, therefore the quadrilateral is a parallelogram. (Option A is correct).

Learn more about parallelogram on:

https://brainly.com/question/3050890

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer:

A = 3

B = -5

C = 1

C = -6

Step-by-step explanation:

Factors of 30:

10  3

15  2

5  6

Using positives or negatives of these numbers you need to find two that'll satisfy the equation

A is known to be 3 and C is known to be 1 because the factors of 3 are only 1 and 3.

After some trial and error we end up with

(3x-5)(x-6)

We know this will work because hen you multiply it out you get

3x^2-18x-5x+30

simplify

3x^2 -23x + 30

And this is the original equation

Answer:

........................

My question : here is related to Algebra 1 HELP

Answers

Answer:

The sun is about 390 times farther than earth is from the moon

Step-by-step explanation:

It's kind of hard to understand the question but it's essentially asking how many times farther earth is from the sun than earth is from the Moon. Or basically measure the distance from the earth to the moon. Then show how much bigger the distance from the Earth to the Sun is by comparing it from the earth to the moon. To do this you divide the distance of moon by the distance of the sun to get how many times you could you could fit the distance between the Earth and The Moon from the Earth to the Sun.

find the product of 2317 and 9 ​

Answers

Answer:

20,853

Step-by-step explanation:

me right always right

Answer:

20,853

Step-by-step explanation:

To find the product of something you must multiply. 2317x9=20853, which can be found using a calculator

What are two equivalent fractions for 1/2 ?

Answers

The fractions which are equivalent to 1/2 are 2/4, 3/6, 4/8, 6/12 etc. Equivalent fractions have same value in reduced form.

(−7c+8d)0.6

khan academy pls help.

Answers

Answer:

[tex]\sf -4.2c+4.8d[/tex]

Step-by-step explanation:

[tex]\sf \left(-7c+8d\right)\cdot \:0.6[/tex]

[tex]\sf 0.6\left(-7c+8d\right)[/tex]

Apply distributive property

[tex]\sf 0.6\left(-7c\right)+0.6\times \:8d[/tex]

[tex]\sf -4.2c+4.8d[/tex]

Have a good day!

what is the answer to the equation -7x-3x+2= -8x - 8

Answers

Answer:

x=5

Step-by-step explanation:

-7x-3x+2= -8x - 8

Add like terms

-7x-3x=-10x

-10x+2=-8x-8

+8x       +8x

-2x+2=-8

     -2  -2

-2x=-10

Divide by -2 to isolate the variable

x=5

Answer:

x = 5

Step-by-step explanation:

what is the answer to the equation

-7x - 3x + 2= -8x - 8

-7x - 3x + 8x = -10

2x = -10

x = 5

----------------------

check

-7 * 5 - 3 * 5 + 2 = -8 * 5 - 8

-48 = -48

the answer is good

10-4/4x89-1/2+43992/69x174

Answers

10.127781530000000000

The sum of 3 and m
A.x-3
B.1/2y
C.3+m
D.14+3x
E.x+5
F.14+4x

Answers

Answer:

C

Step-by-step explanation:

Answer:

the answer is C

Step-by-step explanation:

first of all thank you for reading this

it's addition which 3 + m

I just need answers 7-13

You can do them all if you'd like

Answers

Answer:

7. DF

8. BC

9. E

10. C

11. ES

12. JK=RS

13. EF=UV

Step-by-step explanation:

Use proper notation for segments, angles and congruency, limited what symbols we can use here.

HELP ASAPPP!
Ava has $30 for a cab ride. It costs $3.50 for the cab to pick her up then $1.50 per mile after the initial pick-up fee. Which inequality best represents the real-world situation?

Answers

Answer: [tex]1.50x+3.50\leq 30[/tex]

Step-by-step explanation:

x represents how many miles after the pick-up. we add on 3.50 because that is the intial pick-up price. then the cost has to be under 30 because she only has 30 dollars

You want to determine which cellphone provider would give you the best service. is it Experimental vs. Observational

Answers

It is Observational because you aren’t doing a specific experiment

PLZ HELP
WHAT DOES Y EQUAL?​

Answers

Answer:

y=c+12

Step-by-step explanation:

c=y-12

take the 12 from the right and move it to the other side by adding 12

c+12=y

Write an algebraic expression for the following: A number that is 5 more than half of x

Options:
1. 5x x 1
2. 0.5x + 5
3. 5x
4. 0.5x - 5

Answers

Answer:

2. 0.5x + 5

Step-by-step explanation:

5 + 0.5x

The graph of f(x) = (0.5)x is replaced by the graph of g(x) = (0.5)x − k. If g(x) is obtained by shifting f(x) down by 7 units, then what is the value of k?

k equals one seventh
k equals negative one seventh
k = 7
k = −7

Answers

Answer:

k = 7

Step-by-step explanation:

Vertical shift down by 7units, f(x) - 7

g(x) = (0.5)x - 7

g(x) = (0.5)x - k

Comparing both equations, k = 7

Answer:

k = 7

Step-by-step explanation:

it would be 7 and not -7 because there is already a minus symbol which shows that k is being moved downwards 7 UNITS.

What is the Point slope for -4,3 and 4,3? Help plz

Answers

Answer:

y-3=0(x+4)

Step-by-step explanation:

[tex]\text{Given that,}\\\\(x_1,y_1) =(-4,3) ~\text{and}~ (x_2,y_2)= (4,3)\\\\\text{Slope, m =} \dfrac{y_2-y_1}{x_2 -x_1} = \dfrac{3-3}{4+4} = \dfrac 08 = 0\\\\\\\text{Point - slope form,}\\\\y - y_1 = m(x-x_1)\\\\\implies y -3 = 0(x +4)[/tex]

A package of 3 pairs of insulated socks costs ​$23.07 . What is the unit price of the pairs of socks

Answers

The answer would be 23.07/3 = 23 is $7.69

Pick the correct answer choice! Please.

Osmosis is when:


A) Water molecules move from a low concentration, to a low concentration, with the assistance of travel proteins.


B) Salt molecules move from a high concentration, to a low concentration, with the assistance of travel proteins.


C) Water molecules move from a high concentration, to a low concentration, with the assistance of travel proteins.


D) Salt molecules move from a low concentration, to a low concentration, with the assistance of travel proteins.

Answers

Answer:

C

Step-by-step explanation:

Osmosis: In osmosis, water always moves from an area of higher water concentration to one of lower concentration. In the diagram shown, the solute cannot pass through the selectively permeable membrane, but the water can.  Water has a concentration gradient in this system.

HOPE THAT HELPS YOU PLS MARK ME BRINILYS

Answer:

A hey the answer because osmosis means small when molecules when molecules from a hydrophenation with the help of travel proteins most are low concentration

If a - 5b - 3 = 8, then the straight line ax + by + c = 0 must pass through the point
I) (1, 5)
II) (1, -5)
III) (5, -1)
IV) (-1, 5)
Please show your work...No spam.. Thank you.​

Answers

Answer:

III) (5, -1)

Step-by-step explanation:

Given relationship between the constants of the line ax + by +c = 0:

a - 5b - 3c = 8

We can try options, the obvious one is:

a = 0, b = - 1, c = - 1

In this case the line becomes:

0x - y - 1 = 0y = - 1

This gives us the point (5, - 1), the option III

John had $55. He spent $3 per day for nine days. Then he was given $12 to divide equally between himself and his two cousins. John used the following expression to calculate the amount of money he had after splitting the money with his cousins.

55 – 3 • 9 + 12 ÷ 3

Based on this expression, what is the amount of money John had remaining?
A.$160
B.$32
C.$24
D.$20

Answers

$32 bc he spent $3 per 9 days
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