Equivalent Algebraic Expressions

Which of these is an algebraic expression?

• 2 - 3.5

• n + 3.2

• 3.2 + 2

Which expression shows 5 less than

a number n?

• n - 5

• 5 - n

• n + 5

Which phrase has the same meaning as the expression below? 3 times x

• 3+x

• 3x

• 3 - x

Find the value of the expressions below for h = 14.

h - 6

• 20

• 6

• 8

When does the expression below equal 12?

n + 5

• when n = 17

• when n = 7

• when n = 5

What are the like terms in the expression 4x +8 +8x

• 4x and 8x

• 4x and 8

• 8 and 8x

Which shows the distributive Property?

• 6x + 3 = 3 + 6x

• 6(x +3) = 6x + 3

• 6( x+3 ) = 6x +18

• 6(x+3) = 6(3 + x)

Find the value of the expression below for x = 4

x² + 4

• 20

• 12

• 10

Use 12 for m. Then find the value of the expression 2.5m

• 14.5

• 30

• 4.8

Translate the phrase a number decrease by 9

• n + 9

• n/9

• n-9

• 9n