Completing The Square Answers
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1
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Solve for in the equation .
A
x = –6 or x = 2B
x = negative 2 plus-or-minus 2 StartRoot 2 EndRoot
C
x = –2 or x = 6D
x = 2 plus-or-minus 2 StartRoot 2 EndRoot
3
Solve for in the equation .
A
x = negative 12 plus-or-minus StartRoot 85 EndRoot
B
x = negative 6 plus-or-minus StartRoot 23 EndRoot i
C
x = 6 plus-or-minus StartRoot 23 EndRoot i
D
x = 12 plus-or-minus StartRoot 85 EndRoot
4
What are the solution(s) of ?
A
or
B
or
C
x = 2
D
x = 4
5
Which value must be added to the expression x2 + 16x to make it a perfect-square trinomial?
A
8B
32C
64D
2566
Solve for in the equation .
A
x = negative 7 plus-or-minus 4 StartRoot 6 EndRoot i
B
x = –7 ± 8iC
x = 7 plus-or-minus 4 StartRoot 6 EndRoot i
D
x = 7 ± 8i7
Solve for in the equation .
A
x = negative 1 plus-or-minus StartRoot 15 EndRoot
B
x = negative 1 plus-or-minus StartRoot 17 EndRoot
C
x = negative 2 plus-or-minus 2 StartRoot 5 EndRoot
D
x = negative 1 plus-or-minus StartRoot 13 EndRoot
8
Use completing the square to solve for in the equation .
A
x = –4 or 6B
x = –2 or 14C
x = 1 plus-or-minus StartRoot 89 EndRoot
D
x = 1 plus-or-minus StartRoot 87 EndRoot
9
Solve for in the equation .
A
x = –12 or x = 2B
x = –11 or x = 1C
x = –2 or x = 12D
x = –1 or x = 1110
What are the solutions of ?
A
or
B
or
C
or
D
or
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