Quadratic Roots and Discriminant Lesson Quiz

Which is not a term used to describe the solutions of a quadratic function?

• x-intercepts

• roots

• zeros

• y-intercepts

Tags

CCSS.HSF-IF.C.7D

Identify the roots of the quadratic.

• x = {-1, 3}

• x = {-3}

• x = {1, -4}

• x = {1}

What are the x-intercepts of the parabola?

• x = {0, 6}

• x = {-6}

• x = {-6, 0}

• x = {0}

Tags

CCSS.HSF-IF.C.7A

What are the solutions to the quadratic shown?

• x = {7, 1}

• x = {-4}

• x = {-1}

• x = {-7, -1}

Name the zero(s) of the quadratic function.

• x = {6}

• x = {0}

• x = {6, 0}

• No solution

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

How many solutions (roots) does this graph have?

• one
• two
• no solutions
• cannot be determined

Tags

CCSS.HSF-IF.C.7A

The discriminant is

• ax²  + bx  +  c

• b - 4ac
• b² - 4ac

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of -2x² − x − 1 = 0

• 76

• -7

• 9

• none of these

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

How many solutions does this Quadratic have?

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B