# What is the slope intercept form of the line passing through #(-1,9) # with a slope of #-1/2 #?

##### 1 Answer

Dec 25, 2015

y= -1/2x + 17/2

#### Explanation:

( *x* 1 , *y* 1)

By slope-point form

( *y* - *y* 1) = *m* ( *x* - *x* 1 )

( *y* - 9) = -*x* - (-1) )

( *y* -9) = -*x* +1)

( *y* -9) =

*y* -9 =

2 *y* -18 = - *x* -1

2 *y* = - *x* -1 +18

2 *y* = -x +17

*y* = -*x* +