Solve Quadratic by Square Root
9th Grade
•15 Qs
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Solve Quadratic by Square Root
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 8 pts
Solve by taking square roots:
-3b2 - 4 = 26
k = ±2i√30
k = ±i√30
k = ±2i√10
k = ±i√10
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
Solve by taking square roots.
x2 = -121
± 11
± 11i
± 12
11i
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 8 pts
Solve.
5b2 - 4 = 41
b = ±9
b = ±3
b = ±8
No Real Number Solution
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
Solve by taking square roots:
3 - 9r2 = 12
± 9i
± 1
± 1
± i
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5x2 - 7 = 173
x = 36
x = 6
x = 36 or x = -36
x = 6 or x = -6
Tags
CCSS.8.EE.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking the square root:
x2 = 49
-7
7
49
±7
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x2 -4 = 77
9
-9
No Real Solutions
±9
Tags
CCSS.8.EE.A.2
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