Please, i need this done fast... 75 points.
Find WX, ST = 10x + 5, WX = 7x + 8, UV = 8x - 1

WX=29

Step-by-step explanation:

ST=10x+5

WX=7x+8

UV=8x-1

since SW=UW, WX is centered between UV and ST

(10x+5)-(7x+8)=(7x+8)-(8x-1)

3x-3=-x+9

4x=-12

x=3

substitute

WX=7(3)+8=29

29 lol i took this st00pid test and got it right :)

Step-by-step explanation:

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a).   here, that comes to

        )

x = = 1.   f(1) = 1^2 - 2(1) - 8 = - 9.   vertex is at (1, -9).

        2(1) 

find another point on the curve:   let x=0, for which y=-8.   then (0, -8) is on the curve.   plot the vertex and this point and draw a smooth parabola thru both.

hope this