Expressions Equations and Inequalities

Choose the equivalent expression.

15 + 4(5y + 10)

• 5y + 25

• 20y - 25

• 20y + 40

• 20y + 55

Which of the following is NOT equivalent to 42x + 24?

• 2(21x + 12)

• 3(14x + 8)

• 6(7x + 4)

• 7(6x + 17)

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

An appliance repairman charges a fee of $65 to drive to your home plus a rate of $50 per hour for repairing the appliance. Which expression could be used to calculate your bill?

• 50h + 65

• 65h + 50h

• (50 + 65) h

• 65h + 50

4x = 16

• Expression

• Equation

• Inequality

• -25

• -10

• 5

• 25

• -3

• 3

• -24

• 24

a number more than 12

• n / 12

• 12n

• 12 + n

• 12 - n

Which expression is equivalent to 10n + 81 - 4n - 9?

• 6n + 90

• 14n + 72

• 6n + 72

• 14n + 90