Write the equation of a Quadratic Function that has its vertex at (-2,-4) and goes through the point (0,0). A) y= (2 – 2)2 – 4
B) y= -(x - 2)2 – 4
C) y= (+ 2)2 - 4
D) y = -(x + 2)2 - 4

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)