SOLUTION: Without graphing, tell how many x-intercepts the function has. {{{ y=-4x^2+3x-3 }}}

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Without graphing, tell how many x-intercepts the function has. {{{ y=-4x^2+3x-3 }}}      Log On


   

Question 363963: Without graphing, tell how many x-intercepts the function has.
+y=-4x%5E2%2B3x-3+
Found 2 solutions by Alan3354, Sphinx pinastri:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
None
The discriminant is < zero.

Answer by Sphinx pinastri(17) About Me  (Show Source):
You can put this solution on YOUR website!
Let's find the discriminant
D+=+b%5E2+-+4ac+=+3%5E2+-+4%2A4%2A3+=+-39
D is negative. The function has 0 x-intercepts.