Factoring a quadratic equations

What is factored form of this equation s² - 24s + 144 = 0?

• (s + 1)(s - 144) = 0

• (s - 12)(s - 12) = 0

• (s + 12)(s + 12) = 0

• (s + 144)(s + 1) = 0

Tags

CCSS.HSA-REI.B.4B

What is the factored form of 16k² + 16k + 4 = 0?

• (4k + 2)(4k + 2) = 0

• (4k + 2)(4k - 2) = 0

• (2k + 2)(8k + 2) = 0

• (2k - 2)(8k - 2) = 0

Tags

CCSS.HSA-REI.B.4B

Find the roots of x² = 16.

• x = 4, x = 2

• x = -4, x = 4

• x = 4, x = 4

• x = 2, x = -4

Tags

CCSS.8.EE.A.2

What is the product of (x + 2)(x - 2)?

• x² - 4

• x² + 4

• x² + 4x + 4

• x² - 4x - 4

Tags

CCSS.HSA.APR.A.1

Find the roots of the quadratic equation 4n² + 8n + 4 = 0.

• n = - 1, n = -1

• n = -1, n = 1

• n = 2, n = -2

• n = -2, n = -2

Tags

CCSS.HSA-REI.B.4B