Find the equation of the line with the given slope and y-intercept.Slope -2; y-intercept (0, -10)
A. y = -2x + 2
B. y = -2x - 10
C. y = -10x - 2
D. y = -2x + 10
Answer: B
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Solve the problem. Round your answer to the nearest tenth, when appropriate.The position of an object moving in a straight line is given by s(t) = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long will it take the object to move 
?
A. 9.5 sec B. 15.0 sec C. 8.4 sec D. 9.3 sec
Solve the problem.An object's altitude, in meters, is given by the polynomial h + vt - 4.9t2, where h is the height in meters from which the launch occurs, v is the initial upward speed in meters per second, and t is the number of seconds for which the rocket is airborne. A pebble is shot upward from the top of a building 171 meters tall. If the initial speed is 35 meters per second, how high above the ground will the pebble be after 3 seconds? Round results to the nearest tenth of a meter.
A. 320.1 meters B. 503.9 meters C. 261.3 meters D. 231.9 meters
Write the inequality in interval notation.-4 < x ? 1
A. [-4, 1] B. [-4, 1) C. (-4, 1] D. (-4, 1)
Solve the problem.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. By using linear regression, the following function is obtained: 
where x is entering GPA and y is current GPA. Use this function to predict current GPA of a student whose entering GPA is 3.2. Entering GPA Current GPA 3.53.63.83.73.63.93.63.63.53.93.93.84.03.73.93.93.53.83.74.0
A. 3.57 B. 3.39 C. 3.77 D. 3.28