11519354 11519354

01-05-2021
Mathematics

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How do you write an equation of a line given (1, 2) and (3, 4) in a slope -intercept form

Respuesta :

clarch19 clarch19

03-05-2021

Answer:

y = x + 1

Step-by-step explanation:

find slope first:

(4-2) / (3-1) = 2/2 or 1

now find the y-intercept, or 'b' by using one of the two given points and the slope

2 = 1(1) + b

2 = 1 + b

1 = b

equation in slope-intercept form:

y = 1x + 1 or y = x + 1

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