What value added to x^2+2x would complete the square?

1 answer:

7 0

D is the only one which would make sense :)

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Valentin [98]

Graph one: A01- 100 miles
A03 (a)- 50

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3 years ago

ryzh [129]

Answer:

x=−1 or x=−9

Step-by-step explanation:

x2+11x+10=x+1

Step 1: Subtract x+1 from both sides.

x2+11x+10−(x+1)=x+1−(x+1)

x2+10x+9=0

Step 2: Factor left side of equation.

(x+1)(x+9)=0

Step 3: Set factors equal to 0.

x+1=0 or x+9=0

x=−1 or x=−9

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3 years ago

Bingel [31]

Answer:

Step-by-step explanation:

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3 years ago

madreJ [45]

143.44 degrees
Hope this helps (:

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2 years ago

Tems11 [23]

Answer: The vectors are linearly dependent.

The solution is in the attachment

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3 years ago