AGS_A1_9­5smartnotesday1.notebook
April 14, 2014
Sec 9-5 Writing Linear Equations
Goal: To write the equation of a line given the slope and yintercept
Linear equation - An equation whose graph is
a straight line
Slope-intercept form of a line y = mx + b
Where
Positive m is slope and b is y-intercept
Apr 10­1:17 PM
Example 1: Write the equation from a graph
a)
b)
Apr 10­1:24 PM
1
AGS_A1_9­5smartnotesday1.notebook
April 14, 2014
Example 2: Write the equation of the line
given the slope and y-intercept
a) slope = 3
b) slope = -1
y-intercept = 2
y-intercept = 4
Apr 10­1:30 PM
HW: 9.5 Writing Linear Equations Day 1
Apr 11­7:13 AM
2