If c = -7 and d= 4 what answear do you get for

root(d)-dc^2

after evaluating the expression i was un sure if it was 198 or -194 if someone could please give us a brief explaination to why it was that one it would be a greet help

thanks

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- Aug 16th 2011, 10:19 AMOrlandojust starting a maths course little rusty
If c = -7 and d= 4 what answear do you get for

root(d)-dc^2

after evaluating the expression i was un sure if it was 198 or -194 if someone could please give us a brief explaination to why it was that one it would be a greet help

thanks - Aug 16th 2011, 10:34 AMWilmerRe: just starting a maths course little rusty