5.2: Application of Quadratic Equations

The sum of two consecutive even numbers is 126. Find them.

The area of a square field increases by 88 m² when each side is increased by 2 m. Find original side.

A rectangle has area 180 m². Its length is 3 m more than its width. Find both.

For y=45t-5t^2, when is height = 80 m?

The area of a square increases by 100 m² when side is increased by 5 m. Find original side.

In y=40t-5t^2, when will the object return to the ground?

The length of a rectangle is 5 m more than its width. If area = 84 m², find dimensions.

A ball is thrown upward with y=50t-5t^2. Find its height at t=4.

The sum of squares of two consecutive integers is 365. Find the integers.

y=60t-5t^2. Find height at t=6.