Assertion and reason: graphs

Exercise and reference answers

Questions

1. Reason

   Line graphs display data that changes continuously over time.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   A line graph suits a quantity measured over months.

2. Reason

   One coordinate names only a line, not a single position.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   Both coordinates are needed to fix a point.

3. Reason

   It links a dependent variable to an independent one.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   A graph shows a relationship rather than a single value.

Explanation