Quadratic Roots and the Discriminant

.How many roots does this parabola have?

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

Use the discriminant to determine the number of solutions 4x² + 4x + 1 = 0 has?

• 0

• 1

• 2

• More than 2

Tags

CCSS.HSA-REI.B.4B

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.C.8

Find the roots of this equation

x² + x - 6 = 0

• 4, -1

• 3, -2

• -6, 1

• 2, -3

Tags

CCSS.HSA-REI.B.4B

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Name the x-intercept(s) or roots?

• (0,0) only
• (4,0) only
• (2,4)
• both (0,0) and (4,0)

Tags

CCSS.HSF-IF.C.7C

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Name the x-intercept(s)?

• 0
• 4
• 2
• 0 and 4

The solutions of a quadratic equation are known as the _____.

• Vertices
• Roots
• Squares
• Formulas

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Roots:

• (2.281)
• (-2)
• (-0.3465, .7215)
• .1875

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10