Answer:
Any line can be graphed using two points. Select two x x values, and plug them into the equation to find the corresponding y y values. Tap for more steps.
Step-by-step explanation:
qd = q3- q1/ 2
or, 2.5= q3- 18/ 2
or, 2.5× 2 = q3- 18
or, 5= q3- 18
or,q3= - 18 + 5
:. q3= 13