Review Variable and Expressions

Which is equivalent to 5 x 5 x 5 x 5

Which is equivalent to 7^{2 ?}

ANY (non-zero) number raised to the zero power equals...?

12 - (-4) x 2 = 

-(6² – 10 ÷ 5) - 2

What is the name of a number that is multiplied by a variable, such as the "13" in the term "13x?"

Which of the following is NOT found in this expression?

Which expression represents 80 less than a number?

Which expression represents the statement?

7 more than the sum of 2 and x squared

Evaluate the expression if k = 4

$$6\ +\ 2k\ +\ k^2$$  

The expression 5 + 2m can be used to find the total price for a taxi trip that is m miles long.

How much will it cost if m = 3?

Which pair are like terms?

$$6r^2\ +\ 8r\ +\ 2r\ -\ 4r^2$$  

Simplify by combining like terms:

Completely simplify using the distributive property:

12(2x + 5 + 1)

Which expression is equivalent?

Each of these expressions indicates what operation?

6(x), 6x,    6  $$\cdot$$  4

Simplify:

10(7x + 4) - 40

Which expression does NOT equal the others?

Simplify:

3(2x + 5) + 4x

Which expression represents "the quotient of x and the difference of 3 and y?"

If you had to take the test today, what grade would you expect to earn?