Quadratic Formula Discriminant and Complex Numbers

Quadratic Formula Discriminant and Complex Numbers

9th - 11th Grade

20 Qs

quiz-placeholder

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Quadratic Formula Discriminant and Complex Numbers

Quadratic Formula Discriminant and Complex Numbers

Assessment

Quiz

Mathematics

9th - 11th Grade

Hard

CCSS
HSA-REI.B.4B, HSN.CN.A.1, HSN.CN.C.7

Standards-aligned

Created by

Barbara White

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the following called? b2- 4ac
Axis of symmetry
Quadratic Formula
Vertex
Discriminant

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the values of
a, b, and c for
the quadratic equation: 
4x2 – 8x = 3
a = 4, b = -8, c = 3
a = 4, b =-8, c =-3
a = 4, b = 8, c = 3
a = 4, b = 8, c = -3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What should you do first in solving this equation using the quadratic formula?
x2 + 6x - 13 = 3
Get factored form
Write down: a=1, b=6, c=-13
Make the equation equal 0 by subtracting 3 on each side
Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x2 - x - 3 = 0
Find the discriminant.
25
-23
-25
0

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve using the Quadratic Formula   3x2 - 11x + 10 = 0
-5/3 and -2
1 and 2
3/2 and 2
5/3 and 2

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve using the Quadratic Formula    2x2 + 7x - 15 = 0
-3/2 and 5
No Solution
-5 and 3/2
7/10 and 5

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image
Solve using the Quadratic Formula
A
B
C
D

Tags

CCSS.HSA-REI.B.4B

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