What is the area of the figure?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?