- Solve a quadratic equation using square roots.
- Solve a quadratic equation by factoring
- Solve a quadratic equation using the quadratic formula.
- Using the discriminant
- Equations in Quadratic Form
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Applications of quadratic equations
Suppose a rectangle has an area of 90m
and the sides are x+1 and x+2. Find the dimensions of the rectangle.
The sides are 9m and 10m long.
A person spent 540 euros to buy several objects. If each object had been 7 cheaper he or she could have bought 7more. How many object does he or she buy? What is the price of each object?
He or she buys