Question 1

A line is defined by the equation y = 3x + 5. What is the y-intercept of this line?

• A -5
• B 8
• C 5
• D 3

🔒 Answer question 1 to unlock

A gym charges a one-time registration fee of $20 plus $8 per month. Which equation represents the total cost y after x months?

• A y = 8x - 20
• B y = 20x + 8
• C y = 28x
• D y = 8x + 20

🔒 Answer question 2 to unlock

What is the slope of the line y = -2x + 7?

• A -7
• B -2
• C 2
• D 7

🔒 Answer question 3 to unlock

A line passes through the points (0, 4) and (2, 10). What is the slope of the line?

• A 6
• B 3
• C 7
• D 2

🔒 Answer question 4 to unlock

A science experiment tracks the temperature of a liquid over time. At time 0, the temperature is 15°C, and it rises by 2°C every minute. What is the temperature y (in °C) after x minutes?

• A y = 15x + 2
• B y = 2x - 15
• C y = 17x
• D y = 2x + 15

🔒 Answer question 5 to unlock

Which of the following points lies on the line y = 4x - 3?

• A (2, 5)
• B (2, 11)
• C (1, 0)
• D (0, 4)

🔒 Answer question 6 to unlock

A parking garage charges $5 for entry plus $3 for each hour parked. If a driver pays $20 total, how many hours did the driver park?

• A 6 hours
• B 3 hours
• C 4 hours
• D 5 hours

🔒 Answer question 7 to unlock

The equation of a line is 2x + y = 10. What is y when x = 3?

• A -4
• B 7
• C 4
• D 16

🔒 Answer question 8 to unlock

A line has a slope of 0 and passes through the point (3, 7). What is the equation of the line?

• A y = 7x
• B y = 7
• C x = 3
• D y = 3x + 7

🔒 Answer question 9 to unlock

A survey finds that the number of hours students study per week (x) and their test scores (y) can be modeled by y = 5x + 50. According to this model, how many hours per week would a student need to study to score 80?

• A 5 hours
• B 10 hours
• C 6 hours
• D 8 hours