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svp [43]
3 years ago
11

The vertex of this parabola is at (-3,-1). When the y value is 0, the x value is 4. What is the coefficient of the squatted term

Mathematics
1 answer:
kupik [55]3 years ago
5 0
I'm assuming by the way those points lie in the coordinate plane that this is a parabola that opens to the right, a y^2 parabola.  Our x and y coordinates are (4,0), and the h and k of the vertex are (-3, -1).  The standard form for this parabola is x=a(y-k)^2+h.  We need to find a.  Filling in accordingly, 4=a(0+1)^2-3.  Simplifying a bit we get 4 = a - 3.  a = 7.  The parabola, then, has the equation x=7(y+1)^2-3
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