3 years ago

Brainiest!! (TRY) to show work

Mathematics

1 answer:

nasty-shy [4]3 years ago

6 0

Domain goes from left to right. I know that it cant be C or D. My answer is B.

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Express x^2+4x-7 in the form (x+a)^2-b where a and b are integers

lukranit [14]

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

f(x) = (x + 2)^2 - 4 - 7

f(x) = (x + 2)^2 - 11.

4 0

2 years ago

What is the anwser -13-4x=x+7

Luden [163]

-13-4x=x+7

+13 +13

-4x=x+20

-x -x

-5x=20

/-5 /-5

x=-4

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hope it helps

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2 years ago

the equation of a line is y-3x+10. the slope is changed to 3 and the y-intercept is changed to -4 what is the new equation of th

Ghella [55]

Y=3x-4
This affects the previous line because now the slope is a positive which completely turns it around. and the Y intercept is now on the opposite side of the X axis

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2 years ago

Which equation has no solution?

VARVARA [1.3K]

3x-5=4y-6 is the answer

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3 years ago

What is the volume of the sphere? Please

Black_prince [1.1K]

Answer:

3053.6 mm³

Step-by-step explanation:

The volume of a sphere is given by the formula ...

V = 4/3πr³ . . . . . where r is the radius, half the diameter

For the given sphere, the volume is ...

V = 4/3π(9 mm)³ = 972π mm³ ≈ 3053.6 mm³

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2 years ago