If rectangle abcd is dilated by a scale factor of 3 with a center of dilation at vertex d what is the perimeter of a’ b’ c’ d’ ?

a.30 units

b.60 units

c. 90units

d. 120 units

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

The graph shows the distance kerri drives on a trip. what is kerri's speed?