Math 7 - Midterm Exam Review

Front

What is the definition of altitude?

Back

Altitude is the height of an object or point in relation to sea level or ground level. Above sea level is positive, and below sea level is negative.

Front

How do you represent a hiker's altitude change mathematically?

Back

If a hiker starts at -20 feet and increases altitude by 20 feet, the equation is: -20 + 20 = 0 feet.

Front

What inequality can Frank use to determine the maximum number of games he can bowl?

Back

Front

What does the unit rate represent in a graph of hours versus miles?

Back

The unit rate is the slope of the line, representing the number of miles traveled per hour.

Front

How do you calculate the cost per ounce of juice?

Back

Cost per ounce = Total cost / Total fluid ounces. For Brand Y: $1.25 / 5 oz = $0.25 per ounce. For Brand Z: $1.21 / 11 oz = $0.11 per ounce.

Front

What is the equation to determine how many people Mrs. Bohrer can bring to the zoo?

Back

Front

What is the difference in cost per ounce between two brands of juice?

Back

The difference is $0.14 per ounce.

Front

What does it mean when an equation is set to equal a total amount?

Back

It means that the sum of all costs or quantities must equal the total available amount.

Front

How do you find the slope of a line on a graph?

Back

The slope is calculated as the change in y (rise) over the change in x (run). It represents the rate of change.

Front

What is the significance of the point (1, 60) on a distance vs. time graph?

Back

It indicates that at 1 hour, the distance traveled is 60 miles, representing the unit rate.