Exercises 123–125 will help you prepare for the material covered in the next section. 123. Write the equation y - 5 = 7(x + 4) in slope-intercept form. 124. Write the equation y + 3 7 (x – 1) in slope-intercept form. 125. The equation of a line is x + 4y – 8 = 0. a. Write the equation in slope-intercept form and determine the slope. b. The product of the line's slope in part (a) and the slope of a second line is -1. What is the slope of the second line?

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter4: Graphs
Section4.6: Find The Equation Of A Line
Problem 4.129TI: Find an equation of a line parallel to the line y=3x+1 that contains the point (4,2) . Write the...
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Exercises 123–125 will help you prepare for the material covered
in the next section.
123. Write the equation y - 5 = 7(x + 4) in slope-intercept
form.
124. Write the equation y + 3
7
(x – 1) in slope-intercept
form.
125. The equation of a line is x + 4y – 8 = 0.
a. Write the equation in slope-intercept form and
determine the slope.
b. The product of the line's slope in part (a) and the
slope of a second line is -1. What is the slope of the
second line?
Transcribed Image Text:Exercises 123–125 will help you prepare for the material covered in the next section. 123. Write the equation y - 5 = 7(x + 4) in slope-intercept form. 124. Write the equation y + 3 7 (x – 1) in slope-intercept form. 125. The equation of a line is x + 4y – 8 = 0. a. Write the equation in slope-intercept form and determine the slope. b. The product of the line's slope in part (a) and the slope of a second line is -1. What is the slope of the second line?
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