Use ratios or conversion factors to convert the measures of time.Convert 480 minutes to hours.
A. 8 hours
B. 4 hours
C. 192 hours
D. 20 hours
Answer: A
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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 = 3 cos t, y = 3 sin t, ? ? t ? 2?
A. x2 + y2 = 9
Counterclockwise from (3, 0) to (3, 0), one rotation
B. x2 + y2 = 9
Clockwise from (3, 0) to (-3, 0)
C. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
D. x2 + y2 = 9
Counterclockwise from (-3, 0) to (3, 0)
Find all solutions by factoring.17x2 - 5x = 0
A. 
, 0
B. 
, 0
C. - 
, 0
D. - 
, 0
Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.
x2 - 
x = -1
A. -1.5 B. 1.5 C. 0.086, 2.914 D. ± 0.667
Divide and write answer in lowest terms.
÷ 
A. 45
B. 
C. 46
D. 47