Quadratics Test Review

• Factoring when a = 1

• Completing the Square

• Factoring when a > 1

• Square Roots

Tags

CCSS.HSA-REI.B.4B

Solve

3x² - 192 = 0

• -32 or 32
• No Solution
• -8 or 8
• -64 or 64

Tags

CCSS.8.EE.A.2

Solve a² + 10a - 24 = 0

• a = {2, -12}

• a = {4, 6}

• a = {-12, 2}

• a = {-6, -4}

Tags

CCSS.HSA-REI.B.4B

Solve (4x + 3)(x - 6) = 0

• x = {-3/4, 6}

• x = {-3, 6}

• x = {3/4, -6}

• x = -3/4, -6} 

Tags

CCSS.HSA-REI.B.4B

Mike solved the equation x² + 8x = 14 by completing the square. Which of the following equations is part of the correct solution.

• (x + 4)² = 14
• x² + 8x - 14 = 0

• (x + 4)² = 30
• x² + 8x + 4 = 18

Tags

CCSS.HSA-REI.B.4B

What value of "c" would create a

perfect square trinomial?

x² + 10x + _____ = 17

• c = 20

• c = 100

• c = 25

• c = 10

Tags

CCSS.HSA-REI.B.4B

Why would the square root method be best to solve this equation?

5b² - 4 = 41

• There is no "b" term. (x term)

• The is no "a" (x² term).

• There is no "c" term.

• We need to find two solutions.

Tags

CCSS.HSA-REI.B.4B

Which words mean the same thing as "roots?"

(Choose more than one)

• zeros

• x intercepts

• solutions

• axis of symmetry

Tags

CCSS.HSF-IF.C.7A

Which method would be most efficient when solving this problem?

a² + 2a - 24 = 0

• Square Root

• Factoring

Tags

CCSS.HSA-REI.B.4B

• No Solution

Tags

CCSS.8.EE.A.2