Answer:
Slope 3, y-intercept is 1
Step-by-step explanation:
As x increases by 3, y increases by 9. Rate of change is y/x, therefore the slope is 9/3 which equals 3. If the slope is 3, to find y, simply subtract 9 from 10. 10-9 = 1.
y=3x+1
slope is 3
intercept is 1
