SOLUTION: What is the distance between the points where the graph of y = - 2x^2 - x + 15
crosses the x-axis?
Algebra.Com
Question 366783: What is the distance between the points where the graph of y = - 2x^2 - x + 15
crosses the x-axis?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Find the roots, which are the x-axis crossings.
Use quadratic formula
and
The difference between the roots is
Here's the plot:
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