5 Questions |
By Seixeiroda | Last updated: Jan 7, 2013
| Total Attempts: 80
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Complete the following questions
Questions and Answers
1.
Solve (x – 2)(x + 7) = 0
A.
X = –2, 7
B.
X = 2, 7
C.
X = 2, –7
D.
X = –2, –7
2.
A soccer ball is kicked into the air. Its path is modelled by the function h(t) = –5t^{2} + 15t, where h(t) is the height in metres and t is the time in seconds. When will the soccer ball hit the ground?
A.
0s
B.
3s
C.
5s
D.
15s
3.
Solve by factoring x^{2} = 12x
A.
X = –12, 0
B.
X = 0, –12
C.
X = –2, 0
D.
X = 0, 12
4.
A roofer throws a group of shingles into the trash bin on the ground below. The height of the shingles can be modelled by the function h(t) = –5t^{2} + 11t + 12, where h(t) is the height in metres, and t is the time in seconds. How long will it take the shingles to hit the bottom of the trash bin?
A.
–4/5s
B.
1s
C.
3s
D.
12s
5.
For which quadratic equation is x = 2 a root of the equation?
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