Discriminant

Discriminant

Assessment

Quiz

Created by

Roscoe Powell

Mathematics

9th - 10th Grade

7 plays

Medium

CCSS
HSA.REI.B.4, HSA.APR.A.1, HSA.SSE.A.1

+2

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7 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The discriminant is
aX2  + bX  +  c
b - 4ac
b2 - 4ac
b2 + 4ac

Tags

CCSS.HSA.REI.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the discriminant is positive, then the solution will be

one real solution

two real solutions

no real solutions

one imaginary solution

Tags

CCSS.HSA.REI.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the discriminant tell us?

The maximum or minimum

The y-intercept

The number and type of solutions

The axis of symmetry

Tags

CCSS.HSA.REI.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
Which graph has a discriminant = 0?
None of them
Red
Blue
Green

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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


y = x² + 4x + 4

Positive

Negative

Zero

Tags

CCSS.HSA.REI.B.4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A function has a discriminant of 0.


How many x-intercepts does it have?

0

1

2

5

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4