Discriminant

Discriminant

8th - 9th Grade

20 Qs

quiz-placeholder

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Discriminant

Discriminant

Assessment

Quiz

Mathematics

8th - 9th Grade

Medium

CCSS
HSA-REI.B.4B, HSA.REI.B.4, 6.EE.A.2C

+1

Standards-aligned

Created by

Minerva Asis

Used 261+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula for the discriminant?

x = -b/2a

b2 - 4ac

a2 + b2 = c2

x = [-b±√(b2-4ac)]/2a

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the discriminant is equal to 4, how many solutions are there?

No Solutions

1 Solution

2 Solutions

Infinite Solutions

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the discriminant is equal to -2, how many solutions are there?

No Solutions

1 Solution

2 Solutions

Infinite Solutions

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

x2 - 6x + 9 = 0

0, No Solutions

0, 1 Solution

72, 2 Solutions

-72, No Solution

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4x2 + 6x - 4 = 0

-28, No Solutions

28, 2 Solutions

100, 2 Solutions

-100, No Solutions

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When in standard form, what is the value of a, b and c in this quadratic?

7x2 - 4x + 3 = 5x2 + 8

a = 2 b = -4 c = -5

a = 7 b = -4 c = 3

a = 2 b = -4 c = 5

a = 12 b = -4 c = -5

Tags

CCSS.HSA.REI.B.4

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