Point A lies on the curve y= x^2 + 5x + 8 The x-coordinate of A is -4
The equation of the normal to the curve at A is 3y = x + 16.
The normal at A also intersects the curve at B.
Work out the x-coordinate of B.

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Which of the following circles have their centers on the x-axis? check all that apply.