Quiz - 8.1-8.8 Graphing & Solving Quadratics

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

All of the following are key characteristics of the parabola except which:

• Zeros: x = {-3, 1}

• Range: y ≤ 4

• Axis of Symmetry: x = -1

• Equation: y = -x² + 2x - 3

Tags

CCSS.HSF-IF.C.7A

Find the vertex and Axis of Symmetry:

y = -x² - 4x + 1

• 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)

If the discriminant is negative, then the quadratic has:

• one solution

• two solutions

• No solutions

• Negative solutions

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to

find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the function in the graph?

• (-1, 0) and (1, 0)

• (0, -1) and (0, 1)

• (0, -1)

• (-1, 0) and (1, 0) and (0, -1)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the solutions to: 7(x-10)(3x+2)

• x = 10 and x = -2/3

• x = 10 and x = -2

• x = 1 and x = -2/3

Tags

CCSS.HSA-REI.B.4B

Find the roots: 5x² + 31x + 6 = 0

• x = -1 and x = -6

• x = -1/5 and x = 6

• x = -1/5 and x = -6

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON