5.3 slope­intercept form.notebook
5.3 SLOPE­INTERCEPT FORM
y = mx + b
March 23, 2017
Identify the slope and the y­intercept of the following linear equations.
Slope
Y­intercept
a. y = 3x + 5
slope
y­intercept
b. y = ­4x ­ 7
Example:
y = 2x + 3
slope = 2 or 2/1
y­intercept = (0, 3)
c. 7x ­ 5 = y
d. ­1/2x + 4 = y
Sep 23­8:49 PM
Putting an equation in slope-intercept form
• solve for y
• then find the slope and y-intercept
Nov 24­4:40 AM
Find the slope and y-intercept
4x + 2y = ­8
y ­ 3x = 7
Nov 24­4:42 AM
Find the slope and y­intercept.
y = ­2x + 7
Sep 23­9:35 PM
Nov 24­4:42 AM
Find the slope and y­intercept.
5x ­ 3y = 6
Sep 23­9:35 PM
1
5.3 slope­intercept form.notebook
March 23, 2017
What is the equation of the line?
What is the equation of the line?
A. slope = 2 ; y­intercept (0 , ­3)
C. m = ­6 ; b = 7
B. slope = ­½ ; y­intercept (0 , 6)
D. slope = ¾ ; y­intercept = 0
Oct 6­5:49 AM
Using a graph to write an equation...
Oct 6­5:49 AM
Write the equation of the line shown below.
SLOPE SLOPE Y­INTERCEPT Y­INTERCEPT EQUATION EQUATION Dec 7­8:00 PM
Write the equation of the line shown below.
Dec 7­8:17 PM
Write the equation of the line shown below.
SLOPE SLOPE Y­INTERCEPT Y­INTERCEPT EQUATION EQUATION Dec 7­8:16 PM
Dec 7­8:16 PM
2
5.3 slope­intercept form.notebook
Write the equation of the line shown below.
March 23, 2017
Real ­ World Application
SLOPE slope Y­INTERCEPT y­intercept
EQUATION Oct 6­5:06 AM
Dec 7­8:47 PM
Classwork: p.312 #7 - 27 all
Final Five
What is the slope and y-intercept for
7y - 14x = 28?
slope =
y-int =
May 6­3:34 PM
3