Expressions Review

What is the coefficient of −7y²?

• -7

• 7

• y

• 2

What is the coefficient of −7y²?

• -7

• 7

• y

• 2

Which two of the following numbers have the same value?

• 2³ and 3²

• 4³ and 8²

• 3³ and 4²

• 4² and 5²

Please factor 24 + 30 to find an equivalent expression.

• 6(4+5)

• 6(4+6)

• 8(3+12)

• 8(3+4)

Use math properties to find an equivalent expression to

5(4x+3) - 2x.

• 18x + 15

• 7x+8

• 18x+3

• 2x+8

Substitute w=45 into 2(w-7) and find the value.

• 38

• 76

• 52

• 83

Solve:

11²-(12-4)²+3

• 30

• 40

• 50

• 60

In the algebraic expressions -3x²+4y+n+8,

• the 8 is a constant.

• the 8 is a coefficient.

• the -3 is a constant.

• the 4 is a variable.

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term