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Quadratic With Imaginary Roots

Authored by Anthony Clark

Mathematics

10th Grade

CCSS covered

Quadratic With Imaginary Roots
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

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

Media Image

How many solutions are there?

2 imaginary

1 repeated real

2 real

0

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the discriminant and how many solutions would this quadratic have?

-92, 2 Imaginary Solutions

164, 2 Solutions

-164, No Solutions

92, 2 Solutions

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the discriminant is negative, then the quadratic has:

1 Real Solution

2 Real Solutions

Half a Solution

2 Complex (imaginary) Solutions

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve x2 - 5x + 10 = 0.

x = (5 - i√15)/2, (5 + i√15)/2

x = (5 - √15)/2, (5 + √15)/2

x = (5 - i√65)/2, (5 + i√65)/2

x = (5 - √65)/2, (5 + √65)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve for x:

3x2 - 6x + 6 = 0

x = 1± i

x = 3, -6

x = 4.8, 2.7

Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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