anonymous
  • anonymous
i already asked how to find the vertex but know i need to find the x and y intercepts to x^2+8x+7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
set the equation equal to zero and you will find the x intercept(s)
anonymous
  • anonymous
unfoil the equation
anonymous
  • anonymous
(x+1)(x+7)=0

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anonymous
  • anonymous
solve for x so x+1=0 and x+7=0
anonymous
  • anonymous
-7 -1
anonymous
  • anonymous
then x= -1 and x= -7
anonymous
  • anonymous
exactly
anonymous
  • anonymous
is that all you have to do to solve for x and y?
anonymous
  • anonymous
for the x intercept yes, but the y intercept you set the x values to zero and solve
anonymous
  • anonymous
ok
anonymous
  • anonymous
0^2 + 8(0) + 7 = y
anonymous
  • anonymous
thus y=7 and this is your y-intercept

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