Find Constant of Proportionality

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• 3

• 4

• 2

• 5

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality that relates y to x?

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality of the table. Write an equation to relate weight, w , to the price, p. ​ (a)  

• w=0.45p

• p=0.45w

• w=2.22p

• p=2.22w

Tags

CCSS.7.RP.A.2C

The table shows a proportional relationship. What is the constant of proportionality?

Mathematical Equivalence

OFF

Tags

NC.7.RP.2

NC.7.RP.2.b

The constant of proportionality (k) is ​ (a)  

• 95

• 2

• 190

• 380

• 10

• 950

Tags

CCSS.7.RP.A.2B

The table shows values of y relative to values of x. What is the constant of proportionality for this relationship?

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.2B

The graph shows the total number of markers in 1, 2, 3, and 4 boxes of markers. What is the constant of proportionality?

Mathematical Equivalence

ON

Answer explanation

The constant of proportionality is found at the ordered pair (1, k), or (1, 8) so the constant is 8.

However, you can take any point along the line, except (0, 0) and divide the y-coordinate by the x-coordinate to get the constant of proportionality.

Tags

CCSS.7.RP.A.2B