DIRECT VARIATION
Each of the cards on the left has the same solution as one of the cards on the right. Find the
cards with matching solutions to complete the sentences below.
A
The value of y varies directly with c. If
x = 2, then y = 7. Find the value of x if
y = 84.
The number of words Latisha can text, y,
varies directly with x, the number of
minutes spent texting. If Latisha texted 180
words in 5 minutes, find k, the constant of
proportionality.
R
C
The table represents a proportional
relationship between x and y. Find the value
of y when x = 38.
X
y
20
5
22 24
5.5
6
26 28
6.5
7
The cost of bananas, y, is directly
proportional to x, the pounds of bananas
purchased. If 2.5 lbs of bananas costs
$1.50, find the total cost of 9 lbs of
bananas.
1. Card A and Card
2. Card B and Card_
3. Card C and Card
4. Card D and Card,
The value of y varies directly with x as
shown in the table. Find the value of y when
x = 8.
E
1
X
Y
-2
-9
0
0
3
4
13.5 18
6
27
The value of y varies directly with x. If
x = 15, then y = 9. Find the value of y if
x = 9.
The miles Jack has driven, y, varies
directly with x, the number of hours driven.
If Jack drove 175 miles in 2.5 hours, find
the number of hours it would take Jack to
travel 665 miles.
G
The weight of a shipment, y, is directly
proportional to x, the reams of paper
included. If a shipment of 3 reams of paper
weighs 12 lbs, find the reams of paper in a
shipment that weighs 96 lbs.
H
have the same solution of
have the same solution of
have the same solution of
have the same solution of
OManeuvering the Middle LLC, 2