What is the slope and y-intercept of this line #14x + 7y = 9#?

Question

3302 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-23T21:15:15

So gradient (slope) #->m = -2#
#y_("intercept")->c=9/7#

Subtract #14x# from both sides

#7y=9-14x#

Divide both sides by 7

#y=-14/7x+9/7#

#y=-2x+9/7#

Compare to #y=mx+c# where m is the gradient and the y-intercept is c.

So gradient (slope) #->m->-2#
#y_("intercept")->c=9/7#