Proportional Relationships

Front

Is this graph proportional?

Back

No

Front

What does k represent in the equation y = kx?

Back

constant of proportionality

Front

How do you find k? Options: x/y, y/x, y=kx, x ⋅ y

Back

y/x

Front

Identify the constant of proportionality and write an equation to relate weight (w) to price (p). Options: k = .45; p = .45w, k = .22; p = .22w, k = 45; p = 45w, k = 22; p = 22w

Back

k = .45; p = .45w

Front

Find the unit rate: $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

Back

$1.20 per pound

Front

Is this graph proportional?

Back

Yes

Front

Is this table proportional?

Back

Yes

Front

Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?

Back

3 cups of flour

Front

Daniel walked 2/5 mile in 1/4 hour. How fast did he walk, in miles per hour?

Back

1.6 miles per hour

Front

In the equation y = 14x, what is the constant of proportionality?

Back

14