Solving equations by factoring when a=1

Solving equations by factoring when a=1

8th - 9th Grade

15 Qs

quiz-placeholder

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Solving equations by factoring when a=1

Solving equations by factoring when a=1

Assessment

Quiz

Mathematics

8th - 9th Grade

Medium

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Eric Wonderlin

Used 13+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the following quadratic equation: x26x7=0x^2-6x-7=0  

 x=7   &   x=1x=7\ \ \ \&\ \ \ x=-1  

 x=1   &   x=7x=1\ \ \ \&\ \ \ x=-7  

 x=0x=0  

 x=75x=\frac{-7}{5}  

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the following quadratic equation: x213x30=0x^2-13x-30=0  

 x=3   &   x=10x=3\ \ \ \&\ \ \ x=10  

 x=3   &   x=10x=-3\ \ \ \&\ \ \ x=-10  

 x=2   &   x=15x=-2\ \ \ \&\ \ \ x=15 

 x=2   &   x=15x=2\ \ \ \&\ \ \ x=-15  

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the following quadratic equation:
 x2+5x=6x^2+5x=6  

 x=2   &   x=3x=2\ \ \ \&\ \ \ x=3  

 x =1   &   x=6x\ =-1\ \ \ \&\ \ \ x=6  

 x=1   &   x=6x=1\ \ \ \&\ \ \ x=-6  

 x=2   &   x=3x=-2\ \ \ \&\ \ \ x=-3  

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What should you do first in solving this equation?
x2 + 6x - 13 = 3

Get factored form
Write down: a=1, b=6, c=-13
Make it equal 0 by subtracting 3 on each side
Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve by factoring: x2 = 7x + 18

-7 and -18

9 and 2

9 and -2

2 and 7

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the equation by completing the square and then finding the roots. 
x2+ 6x - 4 = 36

x = -7, 7
x = 4, -10
x = -4 +- √7
x = 10, -4

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The solutions of the quadratic equation 
x2+2x-15=0 are

x = 3 or x = 5
x = 5 or x = -3
x = -5 or x = 3
x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

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