Topic 2 Study

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

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if Dillon made $41.50 for 5 hours, the unit rate is $41.50 ÷ 5 = $8.30 per hour.

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you calculate calories in multiple servings?

Back

To calculate calories in multiple servings, multiply the calories per serving by the number of servings. For example, if there are 90 calories in ¾ cup, then in 4 cups: 90 ÷ (3/4) = 120 calories per cup, so 120 x 4 = 480 calories.

Front

What is the formula to find distance when speed and time are known?

Back

The formula to find distance is Distance = Speed × Time.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, ⅔ = 0.666... (approximately 0.67).

Front

What is the relationship between hours worked and money earned?

Back

The relationship between hours worked and money earned can be expressed as a unit rate, which shows how much money is earned per hour.

Front

How do you solve for an unknown in a proportional relationship?

Back

To solve for an unknown in a proportional relationship, set up a proportion and cross-multiply to find the missing value.

Front

What is the significance of the slope in a graph?

Back

The slope of a graph represents the rate of change between the two variables. A steeper slope indicates a greater rate of change.

Front

How do you find the total amount of food consumed over several days?

Back

To find the total amount of food consumed over several days, multiply the daily consumption by the number of days.