FAST REVIEW PM2 Math 7

Front

What is the ratio of pineapple juice to orange juice in the original recipe?

Back

The ratio is 32 ounces of pineapple juice to 48 ounces of orange juice, which simplifies to 2:3.

Front

How do you determine if a graph is proportional?

Back

A graph is proportional if it is a straight line that passes through the origin (0,0).

Front

Convert 4 pints to cups. How many cups are in a pint?

Back

1 pint = 2 cups, so 4 pints = 4 x 2 = 8 cups.

Front

What is the equation of a line in proportional relationships?

Back

The equation is of the form y = kx, where k is the constant of proportionality.

Front

How do you solve a proportion using cross multiplication?

Back

To solve a proportion, cross multiply the terms and then divide to find the unknown variable.

Front

What does it mean for two quantities to be in proportion?

Back

Two quantities are in proportion if their ratios are equal.

Front

If Monique has 20 ounces of pineapple juice, how much orange juice does she need to maintain the original ratio?

Back

She needs 30 ounces of orange juice.

Front

What is the significance of the origin in determining proportionality in graphs?

Back

The origin (0,0) indicates that when one quantity is zero, the other is also zero, which is essential for proportional relationships.

Front

If a graph is straight but does not pass through the origin, what can we conclude?

Back

The graph is not proportional.

Front

What is the constant of proportionality in the equation y = 5x?

Back

The constant of proportionality is 5.