Solving Quadratics Test

Which method can you NOT use to solve x² + 7x = 0?

• Factoring

• Square Roots

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Which method can you NOT use to factor x² - 47= 0?

• Factoring

• Square Roots

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Find the value of "c" that makes the following quadratic a perfect square trinomial: x² - 12x + c = 0 (Show work for credit)

• 144

• -144

• 36

• -36

Tags

CCSS.HSA-REI.B.4B

Which of the following would be a step in solving the quadratic by Completing the Square: x² + 10x + 21 = 0

(Show work for credit)

• x² + 10x = 21

• (x + 5)² = 4

• x + 5 = ± 4

• x = {-9, -1}

Tags

CCSS.HSA-REI.B.4B

Find the vertex and Axis of Symmetry: y = -x² - 4x + 1 (Show work for credit)

• Axis of Symmetry = -2; Vertex (-2, 13)

• Axis of Symmetry = 2; Vertex (2, -3)

• Axis of Symmetry = -2; Vertex (-2, 5)

• Axis of Symmetry = 2; Vertex (2, -11)

Use the quadratic formula to

find the solutions for

y = -x² - 5x + 12

(Show work for credit)

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

Which is a factor of x² - 3x - 28?

(Show work for credit)

• x + 7

• x - 14

• x + 4

• x - 4

To solve using square roots, your quadratic must be in which format?

• x = -b/2a

• ax² + bx = 0

• ax² + bx + c = 0

• ax² + c = 0

Tags

CCSS.HSA-REI.B.4B

All of the following are names for the solutions to quadratic equations except which:

• roots

• zeros

• x-intercepts

• y-intercepts

Tags

CCSS.HSF-IF.C.7A

Which of the following equations is quadratic?

• y = x³ + 1

• x + 10x = 4x²

• 3x - 2 = y

• y = 3(2)^x