Quadratic Formula and Discriminant Review

Quadratic Formula and Discriminant Review

9th - 12th Grade

23 Qs

quiz-placeholder

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Quadratic Formula and Discriminant Review

Quadratic Formula and Discriminant Review

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSA-REI.B.4B, HSA.REI.B.4, HSA.APR.A.1

+2

Standards-aligned

Created by

Amanda Sonntag

Used 58+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A function has a discriminant of -3.

______________

How many solutions does it have?

0

1 Real

2 Real

2 Complex

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A function has a discriminant of 25.

______________

How many solutions does it have?

2 Complex

1 Real

2 Real

5 Real

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Find the discriminant of the following equation. (Hint: make =0 first!)
3x2 -x + 3 = 5
5
25
-24
-26

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine the value of the discriminant and how many solutions the equation has.
x2 + 2x - 63 = 0
256, 2 real solutions
-256, 0 real solutions
137, 2 real solutions
123, 2 real solutions

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine the value of the discriminant and how many solutions the equation has.

x2 + 7x + 13 = 0

400, 2 real solutions

-3, 2 real solution

-400, 0 real solutions

-3, 2 complex solutions

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve    2x2 + 7x - 15 = 0
-1.5 or 5
No Solution
-5 or 1.5
0.7 or 5

Tags

CCSS.HSA-REI.B.4B

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