Unit 2A Module 6 Section 7 Writing Linear Equations

2. HW: GP & IP
Online quiz Due Sunday night

3. Slope-Intercept form:
•y=mx+b
•m = slope
•b = y intercept
Standard form:
•Ax + By = C
•x intercept ( C/A , 0 )
• y intercept ( 0 , C/B )
•m = -A/B

4. What 2 things do you
need to write an equation
for f(x)?
need a slope : m
need a point (y int) : b
f(x) = mx + b
5= -2( -1) + b
5= 2+ b
3= b
f(x) = -2x + 3

5. f(x) = mx + b
19.1= .445( 10) + b
19.1= 4.45+ b
14.7≈ b
f(x) = .445x + 14.7

6. HW GP & IP
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