Question

What is the slope intercept form of the equation of the line that passes through the points (9,5) and (4,1)

Answer 1

Answer:

y = 4/5 x - 2 1/5

Step-by-step explanation:

1. Find the slope:

1 - 5/ 4 - 9 = 4/5 = m

2.  Find b by plugging in the m and one of the points given into y = mx + b

    1 = 4/5 ( 4) + b

     1 = 16/5 + b

    -2 1/5 = b

3. Write the equation using the m and the b you just found

 y = 4/5 x - 2 1/5

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