What is the equation of the parabola that has its vertex at (8,-1) and a y-intercept of (0,-17)? O A) y=1/x-812 - 1 B) y = -1/4(X + 8)2 1 OC) y = -1/4(x - 2)2 - 1 OD) y= -1/4(x - 3)2 + 1

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?