SOLUTION: 1. Find the slope and y-intercept of each line whose equation for the line with the given slope that contains the given point. m = -3; (-2,-1) 2. y = -3/8 x+4 Find the slope

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 1. Find the slope and y-intercept of each line whose equation for the line with the given slope that contains the given point. m = -3; (-2,-1) 2. y = -3/8 x+4 Find the slope      Log On


   

Question 426674: 1. Find the slope and y-intercept of each line whose equation for the line with the given slope that contains the given point. m = -3; (-2,-1)

2. y = -3/8 x+4 Find the slope and the y-intercept of each line whose equation is given
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Using the standard slope-intercept form for an equation of a line y = mx + b 

 where m is the slope and b the y-intercept. 

1) Line with m = -3, passing thru Pt(-2,-1)

    y = -3x + b   |using ordered pair Pt(-2,-1) to solve for b

    -1 = -3*-2 + b

     5 = b    Line is y = -3x + 5   |slope m = -3 and y-intercept is Pt(0,5)







2. y = -3/8x+4   | slope m = (-3/8) and the y-intercept is Pt(0,4)