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  • 14-03-2017
  • Mathematics
contestada

This system has one solution.
{y=5x−9 and y=x^2−3x+7

What is the y-coordinate of the solution?

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Аноним Аноним
  • 14-03-2017
I hope this helps you



5x-9=x^2-3x+7


x^2-8x+16=0


x -4


x -4


(x-4)(x-4)=0



x=4


y=5.4-9


y=11
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