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Solving Quadratics by Factoring and Using Square Roots

Authored by ROBERT KIMBALL

Mathematics

9th - 10th Grade

CCSS covered

Used 2+ times

Solving Quadratics by Factoring and Using Square Roots
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are the solutions to this equation?
(3x-2)(5x+1)=0

x=5/2,-1/3
x=1/5,-2/3
x=1/3,-5/2
x=2/3,-1/5

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is another word that describes the zeroes of a quadratic function?  

y-intercepts
vertex
x-intercepts
maximum

Tags

CCSS.HSF-IF.C.7D

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the following equation using the quadratic formula:
2x2 - 5x - 7 = 0

{-7/2, 1}
{7/2, -1}
{-7/2, -1}
{3, -1}

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the first question you ask yourself when factoring a polynomial? 

How many terms does it have? 
Is there a GCF? 
What strategy should I use? 
Why do I have to learn this?!?!?!

Tags

CCSS.HSA.SSE.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve
6x2 + 17x + 12 = 0

x = -4/3, x = -3/2
x = 9, x = 8
x = 4, x = 3
x = -4, x = -3

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2x2= 30

x= √5
x= √30
x= √15
x= ±5

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x2=25

x = 5
x = -5
x = ±25
x = ±5

Tags

CCSS.8.EE.A.2

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