SOLUTION: write an equation for the line with slope 1/3 and y-intercept 4. write an equation for the line with slope 3 going through the point (1,-2) write an equation for the li

Algebra ->  Systems-of-equations -> SOLUTION: write an equation for the line with slope 1/3 and y-intercept 4. write an equation for the line with slope 3 going through the point (1,-2) write an equation for the li      Log On


   

Question 123660This question is from textbook Structure and Method Book 1
:

write an equation for the line with slope 1/3 and y-intercept 4.
write an equation for the line with slope 3 going through the point (1,-2)
write an equation for the line going through the points (3,2) and (-2,4) This question is from textbook Structure and Method Book 1

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Y=mX+b IS THE LINE EQUATION.
Y=X/3+4 ANSWER TO THE FIRST PROBLEM.
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-2=3*1+b
-2=3+b
b=-2-3
b=-5 OR
Y=3X-5 ANSWER.
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SLOPE=(4-2)/(-2-3)=2/-5=-2/5
2=3*-2/5+b
2=-6/5+b
b=2+6/5
b=(10+6)/5
b=16/5
Y=-2X/5+16/5 ANSWER.