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What are the solutions of the equation 2x² = 8? Use a graph of the related function

just answer that question

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x=2 or -2

|dw:1332431137097:dw|what type of parabole is it? is

Is a positive or negative?

yea

positive or negitive

It must open up since the a value is 2, which is positive.

'a' value

|dw:1332431233564:dw| like this?

Nope. The parabola is moving down by 8, not 4.

oh ok thank you i got the right answer now!

Great!

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