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How do you determine whether the pair (10,63) is a solution to $y < - 0.2 x^{2} + 9 x - 7$ $y< -0.2x^2+9x-7$ ?

1 Answer

A. S. Adikesavan

Dec 26, 2016

( 10, 63 ) is not a solution..

Explanation:

At ( x, y ) = ( 10, 63),

the LHs = 63 and

the RHS =-20+90-7=63

There is equality

So, it is not a solution

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