katefisher389 katefisher389

06-09-2017
Mathematics

contestada

Write the equation of the line that passes through the points (3,7) and (-1,2) in:

1. Point-slope form
2. Slope-intercept form

Respuesta :

choixongdong choixongdong

06-09-2017

slope = (7 - 2)/(3+1) = 5/4

1. Point-slope form
y - 2 = 5/4(x + 1)

2. Slope-intercept form
y = mx + b
2 = 5/4(-1) + b
2 + 5/4 = b
13/4 = b or b = 13/4

equation
y = 5/4x + 13/4

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