Question

line jk passes through points j(–4, –5) and k(–6, 3). if the equation of the line is written in slope-intercept form, y

Answer 1

The y - intercept of the line is -21 .

Slope - inercept form of equation of line :

y = m x + c

where m is the slope and c is the y - intercept of the line .

Writing equation in slope - intercept form :

( - 5 - 3 ) / ( - 4 + 6 ) = ( y - 3 ) /( x + 6 )

( -8 ) / ( 2 ) = ( y - 3 ) /( x + 6 )

- 4 ( x + 6 )  = y - 3

- 4 x - 24 = y - 3

y = - 4 x - 21

Hence , the y - intercept of the line is -21 .

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