The number line to plot the points are 4.5 and 3.5.
The easiest way to plot the fraction in the number line is to change the fraction into the decimal then plot it, as decimal is easily detected in the number line as compare to the fraction.
The Fraction 9/2 = 4.5
and value 4.5 lies exact between 4 and 5.
The Fraction -7/2 = -3.5
and value 3.5 lies exact between -4 and -3
It is shown below.
Complete question:
Select the locations on the number line to plot the points 9/2 and −7/2 .