PRE-ALGEBRA, 2008
24

 PAGE: 401 SET: Exercises PROBLEM: 24
Please look in your text book for this problem Statement

The line equation in slope-intercept form is , where m is

the slope and b is the y-intercept.

First find the slope of the line.

(Substitute )

(Product of two same signs is positive)

(Add: 2 + 1 = 3)

(Add: 1 + 2 = 3)

(Divide: )

Next find the y-intercept value by replacing m with 1, y with and x with in

the equation .

(Multiply: )

(Add 2 to each side)

(Simplify)

Replace m with 1 and b with 1 in the slope-intercept form line equation .

(Simplify)

The slope-intercept form line equation is .

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