February 24, 2017

Homework Help: College Algebra

Posted by Lee on Friday, October 22, 2010 at 5:57am.

I could not figure out the answer to this Problem:

The quadratic function
f(x)= -2x^2 =4x +3 can be used to solve the following inequality:
-2x^2 -4x < -3

First use the Quadratic Formula to find the x-intercept of f.

This problem asks that the answer be separated by commas and rounded to nearest tenth

Also solution set is requested and put in interval notation and numbers rounded to nearest tenth

My answers to this problem where incorrect The x-intercepts I found were 2.4,5.8
and the solution set I had is: (-infinity, 2.4] union [5.8,infinity)

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