#1

At 59°F, crickets chirp at a rate of 76 times per minute, and at 65°F, they chirp 100 times per minute. Write an equation in slope-intercept form that represents the situation.

Equation___________________

#2A balloon is released from the top of a platform that is 50 meters tall. The balloon rises at the rate of 4 meters per second. A. Write an equation in slope-intercept form that

tells the height of the balloon above the ground after a given number of seconds.

__________________________

B. What is the height of the balloon after 15 seconds?

___________________________

#3Write the equation to describe a scuba diver’s depth over time.

• Interpret the slope.________________

______________________• Explain what the y-

intercept means in this context. ______________________________________

#4

• Write an equation to represent the graph? What does the slope mean.

________________________________________________________• How much was used to start the account?________________

• How much will be in the account after 10 months?_____________

#5Find the ErrorThomas used (7, 17.5) and (18, 45) from a graph to find the equation of a linear relationship as shown. What was his mistake? Write the correct equation.

Equation/ his mistake: ____________________________________________________________________________________________________

#6

Write the equation of the linear relationships in slope intercept form.

______________

______________

#7The Mars Rover travels 0.75 feet in 6 seconds. • Add the point to the graph. Then

determine whether the relationship between distance and time is linear, and if so, predict the distance that the Mars Rover would travel in 1 minute.

• Equation:______________

• Predicted distance at 1 minute:______________

#8

Write an equation for the situation that is linear.

y = x 2

Equation:________________