Solving Quadratics by Factoring and Taking the Square Root
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factor and solve:
z2 − 14z + 45 = 0
z = 1, 45
z = −1, 45
z = −5, 9
z = 5, 9
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factor and Solve: Remember the two numbers you choose when factoring, are not your solutions to the equation!
a2 + 2a − 24 = 0
a = −6, 4
a = 6, −4
a = 12, −2
a = 8, −3
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factor and Solve: Remember the two numbers you choose when factoring, are not your solutions to the equation!
x2 + 13x + 12 = 0
x = −12, −1
x = 12, 1
x = 13, 1
x = −13, −1
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x2 + 4x - 32 = 0
x= -8, 4
x= 8, -4
x= -8, -4
x = -2, 16
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve using square roots.
±81
±9
±3
No real solution
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using square roots.
±81
±9
±3
No real solution
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
solve using square roots
±72
±12
12
No real solution
Tags
CCSS.HSA-REI.B.4B
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