Share 5.2: Application of Quadratic Equations
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The sum of squares of two consecutive integers is 365. Find the integers.
13 and 14
The length of a rectangle is 5 m more than its width. If area = 84 m², find dimensions.
7 m × 12 m
The area of a square field increases by 88 m² when each side is increased by 2 m. Find original side.
21 m
A ball is thrown upward with y=50t-5t^2. Find its height at t=4.
120 m
In y=40t-5t^2, when will the object return to the ground?
t=8s
The sum of two consecutive even numbers is 126. Find them.
62 and 64
A rectangle has area 180 m². Its length is 3 m more than its width. Find both.
12 m and 15 m
The area of a square increases by 100 m² when side is increased by 5 m. Find original side.
7.5 m
y=60t-5t^2. Find height at t=6.
180 m
For y=45t-5t^2, when is height = 80 m?
t=2s or t=8s
