Inverse Variation Question Preview (ID: 53745)
Math 2: M4L2 Inverse Variation Practice.
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Which of the following represents inverse variation?
a) y = k/x
b) y = kx
c) y = x/k
d) ky = x
Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?
a) -14
b) 2
c) 10
d) 14
x and y vary inversely. Given x = 5 when y = 20, what is the constant k?
a) 100
b) 25
c) 5
d) 4
What kind of variation does the equation y = 6x show?
a) Joint
b) Inverse
c) Direct
d) None of these
What kind of variation does the equation y = k/x show?
a) Joint
b) Inverse
c) Direct
d) None of these
Given the equation, y = 56/x, identify the constant k.
a) 7
b) x
c) 56
d) Insufficient information given
y varies inversely as x, if y = -3 when x = -6, find y when x = 14.
a) 11
b) -11
c) 7/9
d) 9/7
Which equation represents an inverse variation?
a) y = 40x
b) y = x/40
c) xy = 40
d) y/x = 40
The width of a rectangle varies inversely with its length. if the width is 4 when the length is 18, find the width when the length is 8.
a) 2
b) 9
c) 36
d) 72
The volume V of a gas kept at a constant temperature varies inversely as the pressure p. If the pressure is 24 pounds per square inch, the volume is 15 cubic feet. What will be the volume when the pressure is 30 pounds per square inch?
a) 8 cubic feet
b) 10 cubic feet
c) 12 cubic feet
d) 14 cubic feet
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