Question
Estimate the real zeros of the function to the nearest tenth
f(x) = 2x^2 − 3x − 7
f(x) = 2x^2 − 3x − 7
Answers
Steve
no reason to estimate, since the quadratic formula provides their exact values.
x = (3±√65)/4
since √65 is very close to 8, a good approximation would be
x = 11/4 or -5/4
x = (3±√65)/4
since √65 is very close to 8, a good approximation would be
x = 11/4 or -5/4