How does solving the equation arithmetically compare to solving an equations algebraically

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv