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timofeeve [1]
3 years ago
6

Which of the following correctly completes the square for: x^2+2x=48

Mathematics
2 answers:
Ket [755]3 years ago
4 0

Answer:

(x+1)²= 49, the answer is B

Step-by-step explanation:

x² + 2x = 48

x² + 2x + (2/2)² -  (2/2)²= 48 --[what we are trying to do is to complete a square by adding (2/2)² -  (2/2)²]

(x+1)²= 49, the answer is B

kodGreya [7K]3 years ago
4 0

Answer:

hey I'm pretty sure it's B. (x+2)²=49

Step-by-step explanation:

x²+2x+(2\2)²=48 + (2\2)²

(x+1)²=49

2 over 2 by the power of 2 = 1

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8 0
3 years ago
Please help and explain why you got it right please
gtnhenbr [62]

Answer:

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Step-by-step explanation:

First find two points on the graph to find the slope

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The slope is given by

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m = ( -4-2)/(3-1)

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We can use the point slope form

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We have two choices with a slope of -3

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Using ( 4, -7) and m = -3

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4 0
3 years ago
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ad-work [718]
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3 years ago
The difference between the set of non-negative real numbers and the set of positive real numbers is:
Inessa05 [86]

Answer:

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