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?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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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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