Discriminant

Discriminant

10th Grade

10 Qs

quiz-placeholder

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Discriminant

Discriminant

Assessment

Quiz

Mathematics

10th Grade

Hard

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Beth Walker

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

The discriminant is

aX2  + bX  +  c
b - 4ac
b2 - 4ac
b2 + 4ac

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

Positive

Negative

Zero

Not Sure

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

What is the discriminant of -2x2 − x − 1 = 0

76

-7

9

none of these

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

In the equation
y = x2 +5x +7, match each leading coefficient with its correct letter 

a=0, b=5, c=7
a=1, b=5, c=7
a=7, b=5, c=1

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Given that the value of A=-5 , B=1 and C=-5, solve for the discriminant.

-99

99

101

-100

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the discriminant of 6x2 − 2x − 3 = 0 ?

76

29

68

none of these

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Find the discriminant: 2a2 - 5a + 5 = 0

44

65

-15

-144

Tags

CCSS.HSA-REI.B.4B

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