Skip main navigation

Lines in the plane in practice

Lines in the plane in practice

The following exercises are solved in this step.

We invite you to try to solve them before watching the video.

In any case, you will find below a PDF file with the solutions.

Exercise 1.

Let (kinmathbb R). What is the slope of the line ((k-2)x+(6-k)y=3)? For which (k) is the slope of the line less than or equal to 0?

Exercise 2.

For which value of (kinmathbb R) are the lines [3x+ky=7,quad (2-k)x-5y=2] parallel?

This article is from the free online

Precalculus: the Mathematics of Numbers, Functions and Equations

Created by
FutureLearn - Learning For Life

Reach your personal and professional goals

Unlock access to hundreds of expert online courses and degrees from top universities and educators to gain accredited qualifications and professional CV-building certificates.

Join over 18 million learners to launch, switch or build upon your career, all at your own pace, across a wide range of topic areas.

Start Learning now