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:
Y=5x
Step-by-step explanation:
slope equation
<u>y-y1</u>
x-x1
10-0=10
2-0=2
10/2=5
15×5-7
75-7
68
answer =68
D
