1. (2, 2)
2. maximum
3. 6
4. 42 feet
5. 11, -11
6. -7, -1
7. -6, 4
8. 3.33 ft
What is the vertex of the graph?
(Image: The figure is the graph of a parabola on a coordinate grid.)
(2, 2)
(1, 3)
(3, 1)
(0, 2)
Is the vertex of the graph a maximum or a minimum?
(Image: The figure is the graph of a parabola on a coordinate grid.)
maximum
minimum
neither
both
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 (Image: h equals negative 16 t squared plus 46 t plus 6). After how many seconds will the ball hit the ground?
3
4
5
6
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?
35 feet
40 feet
42 feet
45 feet
5. Solve. x² – 121 = 0 (1 point)
0
–11
11
11, –11
Solve by factoring. m² + 8m + 7 = 0
8, 7
–7, 1
–7, –1
7, 1
Solve by factoring. n² + 2n – 24 = 0
–12, 2
–2, 12
–6, 4
–4, 6
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 times the width. How wide should the metal piece be? Round to the nearest hundredth of a foot.
3.33 ft
4.3 ft
1 ft
30 ft
1 answer