Ordered Pairs and Ratios

A pair of numbers used to locate a point on a coordinate plane (x,y) is called

• origin

• x-axis

• y-axis

• ordered pair

The first number in an ordered pair is called

• ordered pair

• x-coordinate

• y-coordinate

• coordinate plane

The second number in an ordered pair is called

• ordered pair

• x-coordinate

• y-coordinate

• coordinate plane

A comparison of two quantities by division is called

• ordered pair

• factor

• multiple

• ratio

Ben mows 0.5 acre of a large field every hour. Generate the set of ordered pairs for the ratio relationship between the total acres mowed y and the number of hours x for a total of 1, 2, 3, and 4 hours.

Select the points on the coordinate plane that correctly graph this ratio relationship.

Tags

graphing

A school administrator is purchasing 18 new chairs for each classroom. Generate the set of ordered pairs for the ratio relationship between the total number of chairs ordered y and the number of classrooms x for a total of 1, 2, 3, and 4 classrooms.

Select the points on the coordinate plane that correctly graph this ratio relationship.

Tags

graphing

What are the ordered pairs for number of cups to pounds of sugar?

• (20,4)

• (40,8)

• (60,12)

• (16,50)

What are the ratio for number of cups to pounds of sugar?

• 4:20

• 8:40

• 60:12

• 100:20

The last ordered pair shown is (300, 24). What would be the next ordered pair if the graph continued?

• (25,2)

• (350,28)

• (300,24)

• (375,26)

Which ordered pair is located on the line shown in the graph?

• (9 , 8)

• (6 , 7)

• (5 , 7)

• (8 , 7)