Question

(4-8)( 12, 8)
Write the equation of a line using slope intercept form

Answer 1

Y=2x+16

Explanation:

Answer 2

y=2x-16

Explanation:

so gradient is 8-(-8)/ 12-4

so 16/8 which is 2

equation of line is: y= 2x+c

substitute the values into x,y

8=2(12)+c

8=24+c

8-24=c

-16= C

this is because when it goes over the equal sign it becomes negative so now the equation is y=2x-16