How do you evaluate 68 - y^2 for y = 5?

1 Answer
Alan P.
Jul 8, 2015

Replace y with 5 in the expression and perform the arithmetic to get
color(white)("XXXX")43

Explanation:

68-y^2 with y=5
becomes
68 -5^2
color(white)("XXXX")=68 - 25
color(white)("XXXX")= 43

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