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October 20, 2014

October 20, 2014

Posted by **Bella** on Wednesday, August 22, 2012 at 9:47pm.

r(x)= x^2+x-6

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x^2-x-2

- college algebra !!! -
**Henry**, Friday, August 24, 2012 at 7:11pmr(x) = Y = x^2 + x - 6

C = -6 = -1(6) = -2(3).

Select the pair of factors whose sum = 1(B):

Y = (x-2)(x+3) = 0

Solution set: X = -2, and 3 = x-Intercepts.

Axis: x = Xv = -B/2A = -1/2. = h.

k = Yv = (1/2)^2 -1/2 - 6

k = -6.25.

V(h,k) = V(-0.5,-6.25)

The following points can be used for graphing:

(x,y).

(-3,0)

(-2,-4)

(-1,-6)

V(-0.5,-6.25)

(1,-4)

(2,0)

(3,6)

- college algebra !!! -
**Henry**, Friday, August 24, 2012 at 7:17pmCorrection:

Solution set: X = -3, and 2.

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