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3 years ago

The answer to that algebra 2 equation

1 answer:

3 0

The answer is (2,-5)

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emmainna [20.7K]

Katie has equation $x^2+12x-7=0$ and wants to solve it completing the perfect square. In order to do it, first rewrite 7 in right side:

$x^2+12x=7.$

Then note that $12x=2\cdot 6\cdot x,$ so Katie has to add $6^2=36$ to both sides (because $x^2+12x+36=x^2+2\cdot 6\cdot x+6^2=(x+6)^2$ ):

$x^2+12x+36=7+36,\\ \\(x+6)^2=43.$

Answer: correct choice is C.

7 0

4 years ago

klio [65]

Answer:

the answer is :)

Step-by-step explanation:

4 0

3 years ago

Neporo4naja [7]

D'(-3,-4)
E'(-3,-10)
F'(3,-6)

4 0

3 years ago

DerKrebs [107]

2 + 7/8 :)

(two and seven eighths)

5 0

2 years ago

balu736 [363]

Answer:

region D

Step-by-step explanation:

all other regions are higher than $300

7 0

3 years ago