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OpenStudy (mackenzie2013):
Simplify 2x 2 - y for x = 3 and y = -2. 20 14 16 10 Please explain!!
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OpenStudy (nikato):
Do you mean 2x^2 -y?
OpenStudy (mackenzie2013):
Yes!
OpenStudy (anonymous):
2*3^2-(-2)
OpenStudy (anonymous):
Is that right @nikato
OpenStudy (nikato):
Correct. And using PEMDAS u can simplify it. Remember exponents then multiplication and then lastly subtract
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OpenStudy (anonymous):
Yea, just wanted to make sure that first part was right
OpenStudy (anonymous):
20
OpenStudy (anonymous):
2*9+2=20
OpenStudy (nikato):
So it'll be 2 * 9-(-2) 18-(-2) =20 Remember -(-)= +
OpenStudy (mackenzie2013):
Thank you!
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OpenStudy (nikato):
No problem
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