Solve the equation.
= -7
A. x = 7, 2
B. x = 7, -2
C. x = -8, 2
D. x = -7, -2
Answer: D
You might also like to view...
Find the exact value. Do not use a calculator.cos 
A. - 
B. - 
C. 
D. 
Find a rectangular equation for the plane curve defined by the parametric equations.x = t - 3, y = t2 + 5
A. y = x2 + 6x + 14 B. y = x2 - 6x - 14 C. y = x2 + 14 D. y = x2 - 14
Solve.Parts for an automobile repair cost $850. The mechanic charges $34 per hour. If you receive an estimate for at least $918 and at most $1054 for fixing the car, what is the time interval that the mechanic will be working on the job?
A. Between 1 hr and 6 hr B. Between 1 hr and 2 hr C. Between 27 hr and 31 hr D. Between 2 hr and 6 hr
Solve the problem.An object is propelled vertically upward from the top of a 304-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2 seconds B. 10.8 seconds C. 1.8 seconds D. 4.5 seconds