PLEASEEE HELP I have a test right now lots of points!!!

a=7

b=3

c=6

Step-by-step explanation:

Hope this helps

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Vertex is (3,9)

Y intercept is (0,-9)

Missing points are: (5,1) and 6,-9)

Step by Step

The equation of this parabola is y=--2x^2+12x-9

the answer is 489

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,