Solve Quadratics Difference of Squares
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
What is this?
This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method is MOST EFFICIENT to solve:
8x2 - 6 = 0
Square Root Method
Greatest Common Factor (GCF)
Complete the Square
Quadratic Formula
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What should you do first in solving this equation?
x2 + 6x - 13 = 3
Get factored form
Write down: a=1, b=6, c=-13
Make it equal 0 by subtracting 3 on each side
Type it all in a calculator.
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Can this quadratic be solved by BOTH square root method AND difference of squares?
16x2 - 25 = 0
Yes!
No - just square root method
No - just difference of squares method
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
x2 - 49 = 0
x = -7, x = 7
x = -7
x = 7
x = -7, x = 1
Tags
CCSS.8.EE.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: x2 - 81 = 0
9
9, -9
3, -3, 9, -9
None of the above
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve
16a2 - 9 = 0
a = -3/4, 3/4
a = -4/3, 4/3
a = -9/16, 9/16
a = -16/9, 16/9
Tags
CCSS.HSA-REI.B.4B
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