3.1 and 3.2 Review M7

• You can't unless you know what x is.

• Just smile and nod while your partner does it

−x²+2−1+6x²−4x²

• x ²  -1
• x² +1
• 3x² +1
• x ²+3

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

A number with no variable attached is called a _____.

• coefficient

• constant

• variable

• term

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term