Equations, Expressions, Inequalities

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

4x = 16

• Expression

• Equation

• Inequality

3m² + 7p + 10

• Expression

• Equation

• Inequality

Which expression is equivalent to 3x + 5 + 7x + 2?

• 10x + 7

• 17x

• 17

• 15x + 2

You are driving, and the maximum speed limit is 55.

• s < 55

• s > 55

• s ≤ 55

• s ≥ 55

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

How do you isolate the variable in the equation m + 4 = 22?

• subtract 4 from both sides

• add 4 to both sides

• multiply 4 to both sides

• divide 4 on both sides