A line includes the points (1, 1) and (2, 9). What is its equation in slope-intercept form?

asked Sep 22, 2022 225k views

1 vote

by Edmon

4.3k points

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3 votes

3rd option should be correct from slope intercept form 2,9

Paul Hawke answered Sep 22, 2022

5.7k points

2 votes

Answer:

$y=(8x)/(1)-7\\$

Explanation:

(1,1) and (2,9)

(9-1)/(2-1) =
$(8)/(1\\)$

(2,9) and (x,y)

$(y-9)/(x-2) =(8)/(1) \\\\1(y-9)=8(x-2)\\\\(1y)/(1)-(9)/(1)=(8x)/(1)-(16)/(1)\\\\y=(8x)/(1)-16+9\\y=(8x)/(1)-7$

Pibo answered Sep 27, 2022

by Pibo

5.2k points

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