Factor completely 2x2 − 2x − 40
A. 2(x − 5)(x + 4)
B. (2x − 10)(x + 4)
C. (x − 5)(2x + 8)
D. 2(x − 4)(x + 5)

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

What is the frequency of the sinusoidal graph?