Posted by Jennifer W. on Tuesday, March 19, 2013 at 6:15pm.
1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? (1 point)6
36
72
144
2. What are the solutions of the equation x2 + 4x = 96? (1 point) 2, –48
–12, 8
–2, 48
12, –8
3. What are the solutions of the equation x2 + 14x = –130? (1 point)2, –16
10, –13
–2, 16
no solution
4. A rocket is launched from atop a 105foot cliff with an initial velocity of 156 ft/s. The height of the rocket above the ground at time t is given by h = –16t2 + 156t + 105. When will the rocket hit the ground after it is launched? Round to the nearest tenth of a second. (1 point)4.9 s
9.8 s
0.6 s
10.4 s

AlgebraB2  bgvjh, Monday, May 4, 2015 at 10:15pm
,,knihu
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