7th CBA Review Fall 2024

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio that relates two quantities that are proportional to each other, often expressed as 'k' in the equation y = kx.

Front

If a skateboarder travels 40 feet in 2 minutes, what is the constant of proportionality?

Back

20 feet per minute.

Front

How do you calculate the total revenue from selling cookies?

Back

Total revenue = Number of cookies sold × Price per cookie.

Front

If Mia bakes 48 cookies and sets aside 8, how many cookies can she sell?

Back

40 cookies.

Front

What is the scale factor in a blueprint?

Back

The scale factor is the ratio of a length on the blueprint to the actual length it represents.

Front

If the actual length of a tennis court is 78 feet and the blueprint length is 13 inches, what is the scale factor?

Back

6 feet per inch.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where their ratio remains constant.

Front

If a table shows that 24 cookies are baked in 1 hour, what is the constant of proportionality for cookies baked per hour?

Back

24 cookies per hour.

Front

How do you solve the inequality 3x - 2x + 5 ≤ 10?

Back

Combine like terms to get x + 5 ≤ 10, then subtract 5 from both sides to find x ≤ 5.

Front

What does it mean if x ≤ 5 in an inequality?

Back

It means that x can be any number less than or equal to 5.