Solving Quadratics by Square Root and Zero Product Property
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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11 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which TWO methods could be used to solve this equation? 2x2 + 4x - 6 = 0
Square Root Method
Factor Method
Quadratic Formula
Completing the Square
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by using a method of your choice:
k2 − 12k + 23 = 0
{6 + √13, 6 - √13}
{-6 + √13, -6 - √13}
{6 + √59, 6 - √59}
{-6 + √59, -6 - √59}
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is one of the solutions to this equation? (x - 3)2 = 49
7
-7
-4
4
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you do to the b value to correctly complete the square?
square it
divide it by 2 and square the result
divide it by 2 and take the square root of the result
divide it by 2 only
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using the Zero-Product Property.
(x + 4)(x − 3) = 0
x = 4 and x = −3
x = 2 and x = 1
x = −4 and x = 3
x = −2 and x = 1
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using the Zero-Product Property (x −11)(5x + 1) = 0
Tags
CCSS.HSA-REI.B.4B
7.
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
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