Use the vertex (h, k) and a point on the graph (x, y) to find the general form of the equation of the quadratic function. (h, k) = (−6, −1), (x, y) = (−9, 8)

Answer-

The general form of the equation of the quadratic function is,

Solution-

General vertex form of a quadratic,

Where,

a = focus,

h = x-coordinate of vertex,

k = y-coordinate of vertex.

As the point (−9, 8) lies on the curve, so it must satisfy the curve equation.

∴ Then the equation becomes,

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

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step-by-step explanation: