Solve Quadratic Equations by Taking the Square Root
9th Grade
•15 Qs
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Solve Quadratic Equations by Taking the Square Root
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When solving a quadratic equation, when do you use the plus or minus (±) symbol?
After taking the square root of both sides
After adding the square to both sides
After taking half of b
After setting the equation equal to zero
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2x2=100
x = √25
x = ±5√2
x = √100
x = ±√5
Tags
CCSS.8.EE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve
x2 + 2x - 20 = 4
x = -6, x = 4
x = 6, x = -4
x = 12, x = -2
x = 8, x = -3
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2x - 4)2 = 16
x = 4
x = 10
x = -2
x = 0, 4
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using square roots.
±81
±9
±3
No real solution
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
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