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 squared term

Question

pentagon [3]

3 years ago

6

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 squared term

in the parabola's equation?

Mathematics

1 answer:

Ivanshal [37] · Answer 1 · 2021-12-02T22:23:57+03:00

Ivanshal [37]3 years ago

5 0

Hello :
<span>the parabola's equation is : f(x) = a(x+3)²-1
</span><span>the coefficient of the squared expression in the parabola's equation is : a
but ; f(4) = 0
0 = a(4+3)²-1
49a-1=0.....a=1/49
f(x) = 1/49(x-3)²-2</span>