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IM: 8.5.4: Tables, Equations, and Graphs of Functions (Practice)

By Newsela Staff
Last updated 2 months ago
10 Questions
The graph and the table show the high temperatures in a city over a 10-day period.

1.

What was the high temperature on Day 7?

2.

On which days was the high temperature 61 degrees?

3.

Is the high temperature a function of the day? Explain how you know.

4.

Is the day a function of the high temperature? Explain how you know.

The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.
5.

Write an equation in the form y =kx to describe this situation, where x represents the hours she works and y represents the dollars she earns.

6.

Is y a function of x? Explain how you know.

7.

Write an equation describing x as a function of y.

Using the equation: 2m + 4s = 16
8.

Complete the table.

9.

Graph the line using s as the dependent variable.

10.

Solve the system of equations: