2024 Math 7 - Midterm Exam Review

Front

What is the equation to find the cost of each bag of potatoes if Sam pays a total of $24.95 for eggs and potatoes, pays $2.99 for eggs, and buys 6 bags of potatoes?

Back

Front

What does the point (1, 60) represent on a graph showing the relationship between hours and miles for a family road trip?

Back

The point (1, 60) represents the unit rate, indicating that the family travels 60 miles in 1 hour.

Front

What is the constant of proportionality in a proportional relationship?

Back

The constant of proportionality is the ratio of y to x, which remains constant for all pairs of (x, y). For example, if y = 0.50x, then the constant of proportionality is 0.50.

Front

If Sara's goal is to run a total of 25 miles in five days, and she has run a total of 16 1/7 miles in four days, how many miles must she run on Friday?

Back

Sara must run 8 6/7 miles on Friday to reach her goal.

Front

What does it mean when altitude is described as positive or negative?

Back

Positive altitude indicates a height above sea level, while negative altitude indicates a depth below sea level.

Front

If a hiker starts at -20 feet and increases altitude by 20 feet, what is their new altitude?

Back

The hiker's new altitude is 0 feet.

Front

How do you calculate the total cost of items when given individual prices?

Back

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, such as miles per hour.

Front

How do you find the unit rate from a graph?

Back

The unit rate can be found by identifying the coordinates of a point on the graph that represents the ratio of the two quantities, typically in the form (1, y).

Front

What is the formula for finding the constant of proportionality?

Back