Factoring to Solve Quadratic Equations Quiz

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3.33 ft

One more rectangular-shaped piece of metal siding needs to be cut to cover the exterior of a pole barn. The area of the piece is 30 ft². The length is 1 less than 3 timew the width. How wide should the metal piece be? Round to the nearest hundredth of a foot.

-7, -1

Solve by factoring, m²+8m+7=0

-6, 4

Solve by factoring, n²+2n-24=0

11, -11

Solve, x²-121=0

3

A ball is thrown into the air with an initial upward velocity of 46 ft/s. Its height (h) in feet after t seconds is given by the function h=-16t²+46t+6. After how many seconds will the ball hit the ground?

42 feet

A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height (h) in feet after t seconds is given by the function h=-16t²+60t+6. What will the height be at t=3 seconds?


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