Asked by kathy
determine the x-intercept of the quadratic function
f(x)= 2x^2+ x-15
f(x)= 2x^2+ x-15
Answers
Answered by
Reiny
solve 2x^2 + x - 15 = 0
(2x - 5)(x + 3) = 0
x = 5/2 or x = -3
(2x - 5)(x + 3) = 0
x = 5/2 or x = -3
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