Factoring to Solve Quadratic Equations Quiz
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?
