Mathematics, 15.07.2019 06:00 nakyrabrown15
Find the x intercepts of a parabola with the vertex 4, -1 and a y-intercept of 0, 15
Answers: 1
. We have the h and k as 4 and -1, respectively, and we have the x and y as 0 and 15, respectively. Filling those into formula we will solve for a: 
. This all simplifies down to a parabola with the equation 
. If we factor that now we will find the x-intercepts. Set the equation equal to 0 and solve for x. The 2 numbers that add up to be a -8 and multiply to be a positive 15 are -3 and -5. So the x-intercepts of this parabola are x = -3 and x = -5.
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Find the x intercepts of a parabola with the vertex 4, -1 and a y-intercept of 0, 15...
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