Prealgebra Midterm

What is the value of the expression -5(3 + 4) ?

• -35

• -12

• -2

• 2

In the expression 12a + 5, identify the coefficient.

• 12

• a

• 5

• 0

What number has the prime factorization of 2³ • 11?

• 55

• 66

• 88

• 99

(-5) - (-4) =

The temperature outside is currently 78 degrees. If the temperature drops 4 degrees every hours, what will the temperature be in 6 hours?

When signs are different you ____________.

A negative times a negative is a __________.

Translate the word phrase into a variable expression

the product of a number x and 10 increased by 14

The length of a rectangle is 2x-7 and the width is 4. What is the variable expression that represents the perimeter?

The length of a rectangle is 2x-7 and the width is 4.

What is the expression that represents the area? Remember area of a rectangle is length times width (use the distributive property)