Mathematics Quiz 2

Alex earns $18.75 per hour. He worked 7.2 hours on Tuesday. How much did he earn?

Would you like to try another example or need help with something else?

• $126

• $135

• $140

• $150

Oliver wants to join a gym that charges $25 as a joining fee and $10 per month. Write an equation that represents this situation, where x is the number of months.

• y = 10x + 25

• y = 25x + 10

• y = x + 35

• y = 10x - 25

Solve the equation: 3x - 7 = 2x + 8

• x = 15

• x = -15

• x = 1

• x = -1

Ava is monitoring the temperature in her greenhouse. Which statement best describes the graph of the temperature if it changes at a constant rate throughout the day?

• A curved line going up

• A straight line increasing or decreasing

• A scatterplot of dots

• A bar graph with labels

David is planning a road trip and wants to budget for taxi rides. The graph below shows the cost of a taxi ride as a function of distance traveled. What is the rate of change?

• $1 per mile

• $2 per mile

• $3 per mile

• $0.50 per mile

• 8

• 10

• 11

• 7

A scatterplot graph shows a positive linear trend. Which of the following is most likely true?

• As one variable increases, the other decreases.

• As one variable increases, the other stays the same.

• As one variable increases, the other increases.

• No pattern exists.

Isla is planning a garden and wants to create a sloped path. She decides that the path should have a slope of -2 and start at a height of 5 meters above the ground. Which of the following equations represents the path's height at any point?

This inequality represents this situation: Mia must study more than 10 hours to pass the exam. Let h represent hours.