Greetings!
Answer:
Slope = 2
Y - Intercept = -3
Explanation:
To find the slope you nee to use the gradient equation which is:

Simply find two points which the line passes, such as:
(4 , 3) and (5 , 5)
Plug the values into the equation, making sure that the x2 and y2 values are in the same coordinate set:

Which is:

Or 2, so the slope is 2.
The y-intercept is simply the value where the line passes the y axis, in this case the y intercept is:
-3
Slope = 2
Y - Intercept = -3
Hope this helps!