2024 Fall Exam

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 180 miles in 3 hours, the unit rate is 60 miles per hour.

Front

How do you solve the equation -3x + 5 = -16?

Back

To solve for x, first subtract 5 from both sides: -3x = -21. Then divide both sides by -3: x = 7.

Front

What is the fastest mile run by Marcus?

Back

Marcus ran the fastest mile.

Front

How do you convert milligrams to grams?

Back

To convert milligrams to grams, divide the number of milligrams by 1000. For example, 2804 mg = 2804 / 1000 = 2.804 g.

Front

How many ounces are in 2 pounds?

Back

There are 32 ounces in 2 pounds.

Front

What is a ratio table?

Back

A ratio table is a tool used to organize and compare ratios. It helps in finding unit rates and understanding proportional relationships.

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers. For example, in the equation x + 2 = 5, x is the variable.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the relationship between feet and years in a unit rate problem?

Back

In a unit rate problem involving feet per year, you are comparing a distance (in feet) to a time period (in years) to find how many feet are covered in one year.

Front

What is the process of converting units?

Back

Converting units involves changing a measurement from one unit to another, using conversion factors. For example, to convert grams to kilograms, divide by 1000.