4 years ago

What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method.

2 answers:

7 0

Answer:

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.

lisabon 2012 [21]4 years ago

4 0

is that a variable of x or a multiplication sign?

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3 years ago

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masha68 [24]

Hey there! I'm happy to help!

Let's plug in the values for a and b.

50(2)-2(20)+6

If a number is next to the parentheses you multiply.

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Have a wonderful day! :D

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