Unit 1 Review

Evaluate
(2+4) ÷ (-2-4)

• -1
• 1
• 3
• -3

Simplify
3x²-4+10x³-5+x²-4x³

• 9x³ - 9
• 14x³ + 4x² + 9
• 6x³ + 4x² - 9
• no idea

Find the difference.
(4x² - 6x + 3) - (-5 +x -x²)

• 3x² - 5x - 2
• 5x² - 7x + 8
• 5x² + 7x - 8
• 3x² + 5x - 2

Simplify. 
2x^-2 ⋅ (x^-2)³

• 2 / x⁸ 
• 1 / 2x⁸
• 2x⁸
• too hard

Simplify the fraction.
(2x⁰x⁴) / (6x²)

• x² / 3
• x³ / 3
• 3x²
• 2x² / 4

Simplify.
√4x⁴

• 4x²
• 2x²
• 2√x⁴
• I'm not sure

Simplify.
∛16x⁵

• 2x∛2x²
• 4x∛2x²
• 2x√2x²
• still unsure