Finding the Discriminant and Its Implications

Finding the Discriminant and Its Implications

Assessment

Interactive Video

Mathematics

8th - 12th Grade

Practice Problem

Medium

CCSS
HSA-REI.B.4B, HSF-IF.C.7A

Standards-aligned

Created by

Ethan Morris

Used 11+ times

FREE Resource

Standards-aligned

CCSS.HSA-REI.B.4B
,
CCSS.HSF-IF.C.7A

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the discriminant of a quadratic equation?

Putting the equation in standard form

Finding the vertex

Solving for x

Graphing the equation

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do before starting to find the discriminant according to the video?

Hit the like button and subscribe to the channel

Solve for x

Graph the equation

Find the vertex

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the quadratic equation ax^2 + bx + c = 0, what are the values of a, b, and c in the example provided?

a = 3, b = 1, c = -18

a = 1, b = -3, c = 18

a = 2, b = 4, c = -6

a = 1, b = 3, c = -18

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a positive discriminant indicate about the roots of a quadratic equation?

Two imaginary roots

One real root

Two real roots

No roots

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the discriminant is zero, how many real roots does the quadratic equation have?

None

One

Infinite

Two

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can be inferred if the discriminant is a perfect square?

The solutions are irrational

The solutions are rational

There are no solutions

The solutions are complex

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the discriminant is positive and not a perfect square, what can be said about the solutions?

There are no solutions

They are complex

They are irrational

They are rational

Tags

CCSS.HSA-REI.B.4B

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