In which step did Yvonne first make an error?
Yvonne is solving the quadratic equation 6x² + 24x + 7 = 0
by completing the square. Her first four steps are shown in
the table.
Yvonne's Work
Step 1
Step 2
Step 3
Step 4
Step 1
Step 2
6x? +24x +7=0
6x? +24x - 7
6(x²+4x)=7
6(x²+4x+4) -3+24
6(x+2)? - 27
Step 3
Step 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)