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Irrational Quadratic

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Irrational Quadratic
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a quadratic equation, what do you call the value of \(b^2-4ac\) ?

Square Root

Radical

Numerator

Discriminant

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the DISCRIMINANT of 3x^2-6x-11=0 and then state the number and type of solutions.

168; Real, Unequal, Irrational

-96; Imaginary, Unequal

138; Real, Unequal, Irrational

0; Real and Equal

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the roots of the quadratic.

x = {-1, 3}

x = {-3}

x = {1, -4}

x = {1}

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Use completing the square to put this equation in vertex form.

b2 - 16b + 58 = 6

(Don't use any spaces)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is true about irrational numbers?

They are terminating decimals.

They are non-repeating decimals.

They are fractions.

They are natural numbers.

Tags

CCSS.8.NS.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve using the quadratic formula

A

B

C

D

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve using the quadratic formula

A

B

C

D

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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