Completing The Square Answers

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The solution to x2 – 10x = 24 is .

A
7 or –7
B
2 + 2i or 2 – 2i
C
12 or –2
23

Sample Response/Explanation: I would use the square root property of equality. Because there is no x term, I would just add and divide to get x2 by itself. Then I would take the square root.

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24

=

Answer:

-13

30

x

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31

The solution to 2x2 – 11 = 87 is .

A
7 or –7
B
2 + 2i or 2 – 2i
C
12 or –2
33

and after s.

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34

Now, write x² - 16x + 64 = -8 as

A
(x - 8)² = -16
B
(x - 8)² = -8
C
(x - 16)² = -16
D
(x - 16)² = -8
36

The solution to 3x2 – 12x + 24 = 0 is .

A
7 or –7
B
2 + 2i or 2 – 2i
C
12 or –2
37

–13 +

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38

.

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