What if you scored a 0.80 on a test? what fraction of the test, in simplest form, did you answer incorrectly

SOLUTION:

Let amount answer incorrectly = x

x = ( 100 - Amount completed correctly ) / 100

x = ( 100 - 80 ) / 100

x = 20 / 100

x = 1 / 5

FINAL ANSWER:

Therefore, the fraction of the test answer incorrectly is 1 / 5.

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Aquadratic function is one of the form f(x)=ax2 + bx + c l, where a,b, and c are numbers with are not equal to zero.