Q2 Math 7 Day 2 Bootcamp Review: Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

What is the equation form for a proportional relationship?

Back

The equation form for a proportional relationship is y = kx, where k is the constant of proportionality.

Front

If Mickey bought 4 ice cream bars for $11.00, what is the cost per ice cream bar?

Back

The cost per ice cream bar is $2.75.

Front

Write the equation for the cost (y) of (x) ice cream bars if the cost per bar is $2.75.

Back

y = 2.75x

Front

If a person mows 1 lawn and earns $42, what is the equation representing the money earned (y) for mowing (x) lawns?

Back

y = 42x

Front

What does the variable 'k' represent in the equation y = kx?

Back

The variable 'k' represents the constant of proportionality, which is the ratio of y to x.

Front

If y = 8x represents the number of slices in pizzas, how many slices are in 3 pizzas?

Back

There are 24 slices in 3 pizzas.

Front

What is the constant of proportionality in the equation y = 42x?

Back

The constant of proportionality is 42.

Front

How do you determine if two quantities are proportional?

Back

Two quantities are proportional if their ratios are equal.

Front

If the cost of 5 ice cream bars is $13.75, what is the cost per bar?

Back

The cost per bar is $2.75.