If (a, b) is the vertex of f (2)
= -5x2 – 20x + 10, then what is the value of b?

Ill mark the brainliest if you me with the these three questions 7,8,9

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Which graph represents the linear function below? y-3=1/2(x+2)