Quadratic Formula and Discriminant

Quadratic Formula and Discriminant

8th - 9th Grade

10 Qs

quiz-placeholder

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Quadratic Formula and Discriminant

Quadratic Formula and Discriminant

Assessment

Quiz

Mathematics

8th - 9th Grade

Medium

CCSS
HSA-REI.B.4B, HSA.REI.B.4, HSF-IF.C.7A

+1

Standards-aligned

Created by

Lauren Stein

Used 847+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

The discriminant is
aX2  + bX  +  c
b - 4ac
b2 - 4ac
b2 + 4ac

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Media Image
____________
For the function above, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Not Sure

Tags

CCSS.HSA.REI.B.4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use the quadratic formula to solve 2x2 + 2x - 12?
-2, 3
2, 3
2, -3
-2, -3

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

.How many roots does this parabola have?

3

2

0

1

Tags

CCSS.HSF-IF.C.7A

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If the discriminant is positive, then the solution will be

one real solution

two real solutions

no real solutions

one imaginary solution

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does the discriminant tell us?

The maximum or minimum

The y-intercept

The number and type of solutions

The axis of symmetry

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Which graph has a discriminant = 0?
None of them
Red
Blue
Green

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

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