2 years ago

Factor x2 – 6x – 7.

1 answer:

5 0

You can make an cb chart. so to equal -6 you need the numbers -7, 1. so now the equation is ( x - 7 )( x + 1 ). if you want to solve it set it equal to 0 and solve.

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Select all the possible input-output pairs for the function

mrs_skeptik [129]

Answer:

A.(-1,-1)

E.(4,64)

Step-by-step explanation:

We are given that

Function

$y=x^3$

We have to find all possible input-output pairs for the function.

Substitute x=-1

$y=(-1)^3=-1$

Then, the pair is (-1,-1)

Now, substitute x=-2

$y=(-2)^3=-8$

Then, pair is (-2,-8)

Now, substitute x=3

$y=3^3=27$

Now, substitute x=4

$y=4^3=64$

Now, substitute x=1

Then, y=1

Hence, Option A and E are true.

A.(-1,-1)

E.(4,64)

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2 years ago

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Which expression is equivalent to the following complex fraction?

tatyana61 [14]

$\dfrac{\frac{x}{x-3}}{\frac{x^2}{x^2-9}}=\dfrac{x(x^2-9)}{(x-3)x^2}=\dfrac{x(x+3)(x-3)}{(x-3)x\cdot x}=\dfrac{x+3}{x}$

Answer C.

3 0

2 years ago

Which expression is equivalent to-6(-2/3+2x)<br> A.-4-12x<br> B.- 4+2x<br> C. 4-12x<br> D. 4 + 12x

irakobra [83]

Answer:

4-12x

Step-by-step explanation:

-6(-2/3 + 2x)

Expand the bracket

12/3 - 12x

4 - 12x

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Convert percents to fractions (Write the answer in SIMPLEST FORM)

Grace [21]

1/4;2/5;83/100;3/2;7/10;4/5

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2 years ago

PLEASE HELP! Which of the following is a discrete random variable? a) length of time you play in a baseball game b) length of a

wlad13 [49]

Answer:

The answer is D: the number of candies in a box.

Step-by-step explanation:

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