Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Module 4
Variation and Problem Solving
| Question | Answer |
|---|---|
| If the y varies directly as x, find the constant of variation (k) and the direct variation equation if y=2 when x=10 | k=1/5 y=1/5x |
| If the y varies directly as x, find the constant of variation (k) and the direct variation equation if y=10 when x=90 | k=1/9 y=1/9x |
| If the y varies directly as x, find the constant of variation (k) and the direct variation equation if y=75 when x=15 | k=5 y=5x |
| If the y varies inversely as x, find the constant of variation (k) and the inverse variation equation if y=12 when x=10 | k=120 y=120/x |
| If the y varies inversely as x, find the constant of variation (k) and the inverse variation equation if y=50 when x=5 | k=250 y=250/x |
| If the y varies inversely as x, find the constant of variation (k) and the inverse variation equation of y=2 when x=4 | k=8 y=8/x |
| Find the constant of variation (k) and the variation equation: y varies jointly as x and the cube of z; y=120 when x=5 and z=2 | k=3 y=3xz^3 |
| Suppose x varies jointly with y and the square root of z. When x=-18 and y=2, then z=9. Find y when x=10 and z=4 | k=-3 y=-5/3 |
| If x varies directly as y and inversely as z, and x = 10 when y = 5 and z = 3, for what value of z will x = 3 and y = 4? | k=6 z=8 |
| Beam: 1/2 ft wide, 1/3 ft high, 10 ft long; supports 12 tons Beam: 2/3 ft wide, 1/2 ft high, 16 ft long; supports ? | k=2160 Supports 22.5 tons |
| If y varies directly with x and inversely with z2. If y = 6, when x = 4 and z = 3, what is the value of y when x = 2 and z = 4? | k=13.5 y=27/16 |
Created by:
1359498606
Popular Math sets