1. Solving Quadratic Equations by Finding Square Roots
5.3
Solving Quadratic Equations by Finding Square Roots

2. Radicals (Square Roots)
Rules of Radicals
Radicals must be completely simplified
No Fractions under a radical sign
No Radicals in the denominator (Rationalize the denominator)

3. Properties of Square Roots
Product Property
Quotient Property

4. Practice Problems:

5. Solving Quadratic Equations

6. Falling Object Equation
h= height, t=time,
ho=initial height

7. Practice Problems:
The tallest building in the US is in Chicago, Illinois. It is 1450 feet tall.
How long would it take a penny to drop from the top of this building
How fast would the penny be traveling when it hits the ground if the speed is given by s=32t, where t is the number of seconds since the penny was dropped.

8. Practice Problems:
How long will it take an object dropped from a 550-foot tall tower to land on the roof of a 233 foot building?