Question 3 - Rectangular Coordinate System and Straight Lines Practice

Question 3

00:00Est. 3 min

Marks:+4.000.00

You are monitoring your mobile data usage over time. Whenever the data usage reaches a fixed alert level, you record the data used (in GB) and the corresponding amount charged (in Rs). Let

x

denote the data used and

y

denote the amount charged. Based on previous observations, the best-fit linear model relating

y

and

x

is given by

y = 12x - 10.

Integer answer

Medium Difficulty

15 March 2026

Your answer