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Mathematics 16 Online
OpenStudy (anonymous):

what is the value of z so that -9 and 9 are both solutions of x^2+z=103? I got 22 but I'm not sure if its 22 or -22

OpenStudy (anonymous):

@jagr2713 can you help me?

OpenStudy (anonymous):

Ill help

OpenStudy (anonymous):

22 :)

OpenStudy (anonymous):

x^2 + 22 = 103 subtract 22 from both sides x^2 = 81 sqrt both sides and you get-> x = plus or minus 9 :)

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