Solving Quadratic
Authored by Barbara White
Mathematics
9th Grade
CCSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Solve by factoring: x2 - 9x + 20 = 0
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by taking square roots:
5b2 - 4 = 41
b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
no real solution
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve for x:
(x + 6)2 = 49
x=7,12
x=±7
x=1,-13
x=43,-55
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 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
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve by completing the square.
x2 + 4x= 12
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by completing the square.
x2 − 10x - 11= 0
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
Tags
CCSS.HSA-REI.B.4B
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