Finding the Roots of a Quadratic
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the solutions?
-2, 1
1, 2
-1,2
0,-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the square root property to solve the Quadratic Equation.
2(x - 4)2 = 200
±10
-14, 6
-6, 14
100
Tags
CCSS.HSA-REI.B.4B
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
Solve by taking square roots:
5m2 + 1 = 6
m = 1
m = 1 or -1
m = √7
m = 7/5 m = -7/5
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using square roots.
4m2 - 100 = 0
m=25, -25
m=96
m=5, -5
m=-96
Tags
CCSS.8.EE.A.2
6.
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2x2=100
x = √25
x = ±5√2
x = √100
x = ±√5
Tags
CCSS.8.EE.A.2
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