Find approximate solutions of the equation.2x2 + 2.4x + 0.3 = 0
A. -0.14 or -1.06
B. 1.06 or 0.14
C. 1.06 or -1.06
D. -0.14 or 0.14
Answer: A
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Solve the problem.The velocity of a toy airplane in feet per second after t seconds of flight is V= 360 - 36t, where t ? 0. Find each intercept.
A. (0, 360); (10, 0) B. (0, -10); (-360, 0) C. (0, 10); (360, 0) D. (0, -360); (-10, 0)
Simplify.(5 - 2
)2
A. 25 + 4
B. 33 - 20
C. 33 + 20
D. 25 - 4
Graph the polar equation.r = 
Identify the directrix and vertices. 
A. directrix: 9 unit(s) to the left of
the pole at x = -9
vertices: 
,
B. directrix: 9 unit(s) below
the pole at y = -9
vertices: 
, 
C. directrix: 9 unit(s) to the right of
the pole at x = 9
vertices: 
, 
D. directrix: 9 unit(s) above
the pole at y = 9
vertices: 
, 
The equations of a parabola and a tangent line to the parabola are given. Select the correct graph of both equations in the same viewing window.
?
Parabola: 
Tangent Line: 
?
A. ?
B. ?
C. ?
D. ?
E. ?
