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Quadratic Formula and the Discriminant

Authored by Shari England

Mathematics

8th - 10th Grade

CCSS covered

Used 17+ times

Quadratic Formula and the Discriminant
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32 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 • 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

1 min • 1 pt

Media Image

____________
For the function above, is the discriminant positive, negative, or zero?

Positive
Negative
Zero
Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

4.

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.CED.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is this formula?

This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.

Tags

CCSS.HSA-REI.B.4B

6.

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

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the discriminant is equal to 0, how many solutions are there?

No solutions

1 Solution

2 Solutions

Infinite solutions

Tags

CCSS.HSA-REI.B.4B

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