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3.05 Equations representing proportional relationships

Adaptive
Worksheet

Interactive practice questions

Consider the values in each table. Which of them could represent a directly proportional relationship between $x$x and $y$y?

$x$x $1$1 $3$3 $5$5 $7$7
$y$y $20$20 $16$16 $12$12 $8$8
A
$x$x $1$1 $5$5 $6$6 $20$20
$y$y $16$16 $12$12 $8$8 $4$4
B
$x$x $1$1 $2$2 $3$3 $4$4
$y$y $2$2 $8$8 $18$18 $32$32
C
$x$x $1$1 $2$2 $3$3 $4$4
$y$y $2$2 $4$4 $6$6 $8$8
D
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Outcomes

7.RP.A.2

Recognize and represent proportional relationships between quantities.

7.RP.A.2.B

Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.

7.RP.A.2.C

Represent proportional relationships by equations.

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