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Word problems
100
From the following 2 points on a graph what is the constant of proportionality? (0,0) and (4,1)
1/4
100

What is the constant of proportionality, k, in the table:

x: 1      2      3      4

y: 5     10    15     20

5

100
k = _____
y/x
100

y/x = 5/8 If y is 10 than what is x?

4

100

Jack counts 20 red cars, y, for every 4 blue cars, x. What is k?

5

200

Draw a graph with a constant of proportionality of 1/2.

Must go through the points (0,0); (2,1); (4,2); etc.

200

What is the constant of proportionality, k, in the table:

x: 3      6      9      12

y: 4      8     12     16

4/3 or 1.333

200

y = __ __

y=kx

200

y = 11x  If y is 121, what is x?

11

200

Noah cooks 5 hamburgers, y, for every 3 hotdogs, x. What is k?

5/3

300

A straight line is always proportional. TRUE or FALSE (need explanation for full points)

FALSE if it doesn't go through the origin.

300

What is the missing value of the table?

1           3          5          7

0.25     0.75       ?         1.75

1.25

300

What is the term for the point (0,0) on a graph?

origin

300

x/y = 22/33 If y = 3 then what is x?

x = 2

300

The boys in a class compared to the girls are in a ratio of 4 to 7 If there are 16 boys how many girls are there?

28

400
2 characteristics must a graph have for the relationship to be proportionate?
Go through the origin Be a straight lineWhat
400

Find the y-intercept on this nonproportional table

x: -5        0        5       10

y: -12     -10     -8       -6

-10

400

What is the point called where the line crosses the y-axis?

y-intercept

400

If y/x = 18/5 and y = 2 what is x

5/9

400

School days to weekend days come in a ratio of 5 to 2. If a you have 14 weekend days, How many school days do you have to go to?

35

500

Draw a graph that has a y-intercept of 3 and a slope of 3.

Goes through points (0,3); (1,6); (2,9)

500

Draw a table that has a k value of 7/5 and has at least 4 rows/columns

0,0   5,7   10,14    15,21    20,28

500
If I make a trail mix with 5 parts nuts and 3 parts raisins, And I had a total of 160 oz of trail mix, how many oz of nuts are in the mix?
100 oz
500
You lucked out
Free bee
500

The ratio of people to square miles in Alaska is 5 to 1. How many people would live on 250 square miles?

1250 people