Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 12: Q. 12. 4 (page 682)

Ethan repairs household appliances like dishwashers and refrigerators. For each visit, he charges \(25plus \)20per hour of work. A linear equation that expresses the total amount of money Ethan earns per visit is y=25+20x.

What are the independent and dependent variables? What is the y-interceptand what is the slope? Interpret them using complete sentences.

Short Answer

Expert verified

xis independent andyis dependent variable.y-intercept=25.slope=20

Step by step solution

01

Given information

A linear equation that expresses the total amount of money Ethan earns per visit isy=25+20x.

02

Explanation

From the given information, xis independent variable and yis dependent variable.

y-intercept=25(a)and slope is 20(b)which is written from the known equation of straight line y=a+bx. Therefore, Ethan repairs household appliances for20dollars per hour of work.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of \(25and another fee of \)12.50an hour.

Graph the equation from Exercise 12.2.

65. Explain what it means when a correlation has anr2 of 0.72.

The scatter plot shows the relationship between hours spent studying and exam scores. The line shown is the calculated line of best fit. The correlation coefficient is 0.69.

Do there appear to be any outliers?

Use the columns "year" and "# flu cases diagnosed. Why is “year” the independent variable and “# flu cases diagnosed.” the dependent variable (instead of the reverse)?

Write the equation: ŷ= ____________
See all solutions

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Read Explanation

Logic and Functions

Read Explanation

Statistics

Read Explanation

Probability and Statistics

Read Explanation

Discrete Mathematics

Read Explanation

Decision Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free