No student devices needed. Know more
10 questions
Which table represents a direct variation?
Which equation represents an inverse variation?
y=−3x+5
y=−2x
y=8x
y=x8
Which equation represents a direct variation?
y=−21x+5
y=−2x
xy=25
y=x3
Which set of ordered pairs represent a direct variation?
{(1,12), (2, 6), (3, 4), (4, 3)}
{(1, 3), (2, 3), (3, 3), (4, 3)}
{(1, 9), (2, 7), (3, 5)}
{(4, 2), (6, 3), (8, 4), (10, 5)}
Y varies directly to x. If y = 16 when x = 4, which equation represents this situation?
y=41x
y=12x
y=4x
y=64x
Y varies inversely to x. If y = 0.5 when x = 4, which equation represents this situation?
y=x2
y=4x
y=2x
y=2x
Ounces of medication vary directly with the weight of the patient. If a 120-pound adult requires 3 ounces of a medication, how many ounces would be needed for a 200-pound adult?
2
3
5
9
The point (2,4) is an element of direct variation. Which point is NOT an element of this variation?
(0, 0)
(4, 2)
(1, 2)
(3, 6)
As the speed of a train increases, the amount of time it takes to arrive at its destination decreases. What type of variation exists between the speed of the train and amount of time?
Direct Variation
Inverse Variation
Neither
Not enough information
The width of a rectangle varies inversely with its length. If the width is 4 when the length is 18, what is the width when the length is 8?
4
5
9
12
Explore all questions with a free account