How do you graph #y= (1/2)x#?
1 Answer
Feb 21, 2016
see explanation
Explanation:
By choosing suitable values for x and calculating the corresponding values of y.
The equation of a straight line in the form y =mx , as is the case here passes through the origin (0 , 0 ) hence this is 1 point.
Since the equation is
# y = 1/2 x " choose even values of x."# let x = 2 :
# y = 1/2xx2 = 1 " so (2,1) is a 2nd point"#
let x = 4 :#y = 1/2xx4 = 2" so (4,2) is a 3rd point"#
You can choose negative values.let x = - 2 :
#y = 1/2 xx -2 = -1 " another point (-2 , - 1 )"# Now plot say, 3 of these points and draw a straight line through them.
Here is the graph of# y = 1/2 x #
graph{1/2x [-10, 10, -5, 5]}
