Quadratic Solutions by Completing the Square
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following quadratics equation by completing the square... x2 - 20x + 98 = 0
x = -10 ± √2
x = 10 ± √2
x = 2 ± √10
x = -2 ± √10
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation by completing the square and then finding the roots.
x2+ 6x - 4 = 36
x = -7, 7
x = 4, -10
x = -4 +- √7
x = 10, -4
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by method of your choice.
x2 + 10x = -9
1 and -12
-1 and -9
1 and -9
1 and -1
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To solve by completing the square, what needs to be moved in this equation?
x2 = 9 - 4x
the -4x
the 9
the x2
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Complete the square for
x2 + 12x + ____
x2 + 12x + 144
x2 + 12x + 36
x2 + 12x - 36
x2 + +12x - 144
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the missing value "c" to complete the square.
x2 + 6x + ____
9
12
36
- 9
Tags
CCSS.HSA-REI.B.4B
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