   Chapter 1.4, Problem 30E

Chapter
Section
Textbook Problem

In Exercises 27-30, find an equation of the line that passes through the point and has the indicated slope m.30. (1, 2); m = − 1 2

To determine

To find: The equation of line passes through the point and slope m.

Explanation

Given:

The line passes through the point (1,2) and slope m=12 .

Formula used:

The formula to calculate the equation of a line passes through the point (x1,y1) with slope m is,

yy1=m(xx1) (1)

Equation (1) is called the point-slope form of an equation of a line.

Calculation:

Substitute 2 for y1 , 1 for x1 , 12 for m in equation (1)

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