Factor completely, or state that the polynomial is prime.18y2 + 42y + 20
A. 2(10y + 2)(y + 5)
B. 2(3y + 1)(3y + 10)
C. prime
D. 2(3y + 2)(3y + 5)
Answer: D
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Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 2t + 4, y = 6t + 7, -? ? t ? ?
A. y = 3x + 5
Entire line, from right to left
B. y = 3x + 5
Entire line, from left to right
C. y = 3x - 5
Entire line, from right to left
D. y = 3x - 5
Entire line, from left to right
Find the amplitude, period or phase shift.Find the phase shift of y = -4 - 3sin
.
A. 
to the right
B. 
to the left
C. 
to the right
D. 
to the left
Provide an appropriate response.Describe how the graph of 
is shifted compared to the graph of 
A. The parabola is shifted 9 units to the left. B. The parabola is shifted 9 units down. C. The parabola is shifted 9 units up. D. The parabola is shifted 9 units to the right.
Graph the solution set of the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 