Expressions and Equations Vocabulary

What is a number that multiplies a variable called? For example, in the expression 5x + 2, the 5 is one of these.

• difference

• coefficient

• congruent

• term

In 6x + 2, what is the 6?

• sum

• equation

• term

• coefficient

Answer explanation

The 6 is the coefficient, but it could also be called a factor since it is multiplied times the x.

What is the best expression for:

10 inches more than three times the height?

• 3 x h + 10

• 3 + h x 10

• 3h + 10

• 3(h + 10)

5 less than the product of 7 and s

• 7s - 5

• 5 - 7 + s

• 7(s - 5) 

• 5 - 7s

Choose the vocabulary term that best describes the algebraic form:
-3x < 24

• Equation

• Inequality

• Variable Expression

• Numerical Expression

4x = 16

• Expression

• Equation

• Inequality

3m² + 7p + 10

• Expression

• Equation

• Inequality

Write an expression. 
Anita needs at least an 90 grade (g) on her test to get an A in math class.

• g ≤ 90

• g ≥ 90

• g < 90

• g > 90

Which of the following is equivalent to 5(2x + 3)?

• 52x + 53

• 7x + 10

• 10x + 15

• 10x + 3

• -25

• -10

• 5

• 25