Use the square root property to solve the equation. 7z2 - 28 = 0
A. {2}
B. {2, -2}
C. {15}
D. {3, -3}
Answer: B
You might also like to view...
Find the reciprocal.-15
A. The number -15 has no reciprocal.
B. 
C. 
D. 15
Solve for x and graph the results.x ? 5 and x ? -3
A. 
B. 
C. 
D. 
Solve the inequality and graph the solution.35x + 45 > 5(6x + 18)
A. (-?, 35)
B. (-?, 9)
C. (35, ?)
D. (9, ?)
Solve.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 12 feet per second per second when the radius of the turn is 100 feet, find the acceleration the passengers feel when the radius of the turn is 400 feet.
A. 3 feet per second per second B. 5 feet per second per second C. 4 feet per second per second D. 6 feet per second per second