The first six steps of the derivation of the Quadratic Formula are listed below. 01
+
a
a
1. ax2 + bx + c = 0
2. x2 +
3. x2 + x + = 0
4. x2 + x=-
5. x2 + x +
6. (x + )2 =
b2
4a2
b2-4ac
+
a
422
4a2

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)