PreCalc Unit 1 Review

Simplify the expression.

(4y + 1)³

• 12y³ + 1

• 64y³ + 1

• 64y³ + 48y² + 16y + 3

• 64y³ + 48y² + 12y + 1

Factor the expression completely.

c⁴ - c² - 72

• (c² - 9)(c² + 8)

• (c - 3)²(c² + 8)

• (c + 3)(c - 3)(c² + 8)

• (c² + 9)(c + 4)(c - 4)

Factor the expression completely.

48m⁵n - 3mn⁵

• 3mn(16m⁴ - n⁴)

• 3mn(2m+n)(2m-n)(4m² + n²)

• Not Factorable

• 3(16mn - mn)

Factor the expression completely.

3a³ + 2a² - 48a - 32

• (a + 4)(a - 4)(3a + 2)

• (a² - 16)(3a + 2)

• Not Factorable

• (a + 2)(a - 2)(5a + 2)

• -2p(p + 7)

• 2r - 1

• 1