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Solving quadratics

Authored by Kelli Cox

Mathematics

9th Grade

7 Questions

Used 1+ times

Solving quadratics
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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve
a2 + 2a - 24 = 0

a = -6, 4
a = 6, -4
a = 12, -2
a = 8, -3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve      3x2 - 192 = 0

-32 or 32
No Solution
-8 or 8
-64 or 64

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  k2=16k^2=16  

 k=4k=-4  

 k=4k=4  and  k=4k=-4  

 k=4k=4  

No solution

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve for x: 
(x+6)2=49

x=7,12
x=±7
x=1,-13
x=43,-55

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve by taking square roots:
5b2 - 4 = 41

b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
no solution

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  2x2+x=62x^2+x=6 

 x=6x=6  and  x=52x=\frac{5}{2}  

 x=2x=-2  and  x=32x=\frac{3}{2}  

 x=32x=\frac{3}{2}  and  x=2x=2  

 x=52x=-\frac{5}{2}  and  x=6x=6  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor and Solve

 x22x35=0x^2-2x-35=0  

 x= +7, 8x=\ +7,\ -8  

 x=+7, 5x=+7,\ -5  

 x=5, +7x=-5,\ +7  

 x=8x=8  

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