bhays008
Answered

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A line includes the points (3, 1) and (5, 7). What is its equation in slope-intercept form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

Sagot :

Answer:

Y=3x - 8

Step-by-step explanation:

Slope-intercept is Y=mx +b

Solve for  m using the formula  (y₂ - y₁) / (x₂ - x₁)  

so (7-1) / (5-3)

Solve inside paratheses to get  6/2. Simplify to 3

Solve for b by plugging in our first points (3,1)

1 = 3(3) + b

1 = 9  + b

-8   = b

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