Algebra Unit Review

What is the coefficient of this term?

9x³

• None

• 9

• 3

• x

Simplify the Expression:

3x + 6 - 2x +7

• 14

• 14x

• x + 13

• x - 13

According to exponent rules, when we divide powers we _______ the exponents.

• add
• subtract
• multiply
• divide

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

According to exponent rules, when we multiply powers we _______ the exponents.

• add
• subtract
• multiply
• divide

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Simplify:
-3x²(5x² + 3x)

• -15x⁴ - 9x²
• -15x⁴ - 9x³
• 2x⁴ - 6x³

Anything raised to a power of zero is always: 

• 0
• 1
• itself
• negative

According to exponent rules, when we raise a power to a power we _______ the exponents.

• add
• subtract
• multiply
• divide

Simplify the expression. 
(6x²)(-3x⁵)

• 18x⁷
• -18x⁷
• 18x⁷
• 3x⁷