Quadratic Equations
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1. Solve using the quadratic equation : 8x^2 - 24x = 9
2. choose from the following a quadratic with solutions of 9 and 3
a. x^2 - 10x + 27 = 0
b. x^2 - 12x + 27 = 0
c. x^2 - 14x + 25 = 0
d. x^2 - 12x + 29 = 0
3. The height h (in feet) of and object is dropped from the height of s feet is given by the formula h= s - 16t^2, where t is the time the object has been falling. A 4 foot tall woman on a sidewalk looks directly over head and sees a window washer drop a bottle from the 5 story. How long does she have to get out of the way? Round ti the nearest tenth. (A story is 12 feet.) choose the answer from the following:
4. The hypotenuse of a right triangle is 2.6 units long. The longer leg is 1.4 units longer than the shorter leg. Find the length if the sides of the triangle.
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