Answer:
1. Slope-intercept form: 
Standard form: 
2. Slope-intercept form: 
Standard form: 
3. Slope-intercept form: 
Standard form: 
Step-by-step explanation:
Slope intercept form: 
where:
= y-coordinate
= slope
= x-coordinate
= y-intercept
Standard form: 



Slope-intercept form: 
Standard form: 


Slope-intercept form: 
Standard form: 



Slope-intercept form: 
Standard form: 
gggggg Step-by-step explanation:
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Commutative property of multiplication