Expressions review

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

What do you call each part of an expression that is separated by a + or a -?

• coefficient
• constant
• variable
• term

What is the coefficient in this expression?
3x+4-2

• x
• 4
• 3x
• 3

True or false:
Addition ALWAYS comes before subtraction.

• True
• False

How do you write this in exponent form?
4 * 4 * 4 * 4 * 4 * 4 * 4 * 4

• 4⁷
• 65,536
• 4⁸
• 7⁴

Write the phrase as an expression. "10 less than a number n"

• 10-n
• n-10
• n+10
• 10-n

What is a number decreased by seventeen?

• n + 17
• n - 17
• 17 + n
• 17 - n

Evaluate the expression.        Let    a = 4
5a + 7a - 8

• 48
• 28
• 40
• 35

Evaluate m² if      m = 5

• 10
• 25