anonymous
  • anonymous
Where does the graph of y = 2x2 + x − 15 cross the x-axis?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
is that 2x^2 +x -15 you mean @alamojoe9 ?
anonymous
  • anonymous
yes
anonymous
  • anonymous
if so..its a parabola...Let y = 0 and solve for x...then once you get your two factors, you plug in those numbers into your parabola and that would give you the y for both points...then thats your answer

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anonymous
  • anonymous
factor your expression and set to zero: 2x^2 + x -15 = 0 (2x - 5)(x + 3) = 0 solve for x and that's where your graph crosses the x axis.

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