If a/b = b/c then b is _________________.
What will be an ideal response?
The geometric mean (mean proportional).
You might also like to view...
Solve the problem.The position(in feet) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's velocity at time t.
A. v = - A
cos 
ft/sec
B. v = A
cos 
ft/sec
C. v = A
cos 
ft/sec
D. v = A cos 
ft/sec
Solve.The function h(t) = -16t2 + 192t - 560 gives the height h, in feet, of a flare fired from the bottom of a gorge 560 feet deep with an initial velocity of 192 ft/sec. The flare fired is visible only when it is above the rim (h = 0). During what interval can the flare be seen?
A. (15, 17) B. (5, 7) C. (0, 5) D. (10, 12)
Convert the units using unit fractions.20 yd = 
ft
A. 240 B. 720 C. 60 D. 180
Solve the equation by factoring.18x2 + 14x = 0
A. x = 0
B. x = - 
or x = 0
C. x = 
or x = 0
D. x = - 
or x = 