In slope-intercept form, we have these values (y = mx + b):
m = slope
b = y-intercept
Change the equation from standard form to slope-intercept form.
-9x + 7y = 28
-9x + 9x + 7y = 28 + 9x
7y = 28 + 9x
7y/7 = 28/7 + 9x/7
y = 4 + 9/7x
y = 9/7x + 4
Therefore, the y-intercept is 4.
Best of Luck!
Answer: 63.39 ft
Step-by-step explanation:
Answer:
Step-by-step explanation:
The equation of a line:
We have
substitute:
The formula of a distance between a point and a line:
General form of a line:
Point:
Distance:
Convert the equation:
|<em>subtract from both sides</em>
|<em>multiply both sides by 3</em>
Coordinates of the point:
substitute:
|<em>multiply both sides by </em>
|<em>divide both sides by 3</em>
Finally:
Answer:
4/25 foot²
Step-by-step explanation:
Refer to attachment*