Question 1

When the formula $p=2l+2w$ is solved for $w$ , the result is

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 2

Stephanie is solving the equation $p=2l+2w$ . Her first step is shown below.

Given: $\ x^2-12=7x-8$

Step 1: $x^2-4=7x$

Which property justifies her first step?

Accepted Answer

addition property of equality

Answer

commutative property

Answer

associative property

Answer

distributive property

Question 3

The number of fish in a pond is eight more than the number of frogs. The total number of fish and frogs in the pond is at least $p=2l+2w$ . If $w$ represents the number of frogs, which inequality can be used to represent this situation?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 4

When solving the equation $p=2l+2w$ Laura wrote $w$ as herfirst step. Which property justifies Laura’s first step?

Accepted Answer

addition property of equality

Answer

distributive property of multiplication over addition

Answer

multiplication property of equality

Answer

commutative property of addition

Question 5

Which expression results in an irrational number?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 6

What is the solution to the inequality $p=2l+2w$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 7

The solution to $p=2l+2w$ is

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 8

Two texting plans are advertised. Plan $p=2l+2w$ has a monthly fee of $w$ with a charge of $\$0.08$ per text. Plan $x^2-4=7x$ has a monthly fee of $\$3$ with a charge of $\$0.12$ per text. If $t$ represents the number of text messages in a month, which inequality should be used to show that the cost of Plan $A$ is less than the cost of Plan $B$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 9

What is the solution to the inequality $p=2l+2w$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 10

What is the value of $p=2l+2w$ in the equation $w$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 11

Ashley only has $p=2l+2w$ quarters and some dimes in her purse. She needs at least $w$ to pay for lunch. Which inequality could be used to determine the number of dimes, $\$0.08$ , she needs in her purse to be able to pay for lunch?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 12

The formula for the area of a trapezoid is $p=2l+2w$ .

The height, $\ x^2-12=7x-8$ , of the trapezoid may be expressed as

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 13

What is the solution to $p=2l+2w$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 14

What is the solution to $p=2l+2w$ ?

Accepted Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Answer

$w=\frac{p-2l}{2}$

Question 15

Which of the following is not an equation?

Accepted Answer

w=\frac{p-2l}{2}

Answer

Answer

1+5=6

Answer

w=\frac{p-2l}{2}

Question 16

Is x=7 a solution to the equation 2x-3=17?

Accepted Answer

Yes

Answer

No

Question 17

Is t=10 a solution to the equation?

\frac{t-20}{5}=-4

Accepted Answer

No

Answer

Yes

Question 18

What is the inverse operation to multiplication?

Accepted Answer

division

Answer

addition

Answer

square root

Answer

subtraction

Question 19

What is the inverse operation to addition?

Accepted Answer

subtraction

Answer

multiplication

Answer

division

Answer

square root

Question 20

what is the inverse operation to subtraction?

Accepted Answer

addition

Answer

division

Answer

square root

Answer

multiplication

Question 21

When solving the equation 5x+3=23, what step should you do first?

Accepted Answer

subtract 3

Answer

divide by 5

Answer

add 3

Answer

subtract 23

Question 22

When solving the equation

p=2l+2w

. What step should you do first?

Accepted Answer

subtract 7

Answer

add 7

Answer

multiply by 2

Answer

divide by 2

Question 23

Solve 4x+3=-17 for x

Accepted Answer

-5

Answer

3

\frac{-14}{3}

Answer

5

Answer

w=\frac{p-2l}{2}

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