How do you find the slope and y intercept of #x+y=7#?
2 Answers
Jan 11, 2016
slope = - 1
y-intercept = 7
Explanation:
one form of the equation of a straight line is y = mx + c where m =slope and c is the y-intercept.
rearranging the equation x + y = 7 into this form gives :
y = - x + 7
comparing the 2 equations we see that m = - 1 and c = 7
here is the graph of y = - x +7
graph{-x+7 [-20, 20, -10, 10]}
Jan 11, 2016
Slope
Y-intercept
Explanation:
Start with the equation
Subtract
The slope is the coefficient of the
The y-intercept is the value of