True or false: using coordinates

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Slope can be found from two points alone.

2. Statement is true

   Yes

   Statement

   Parallelism can be checked arithmetically.

3. Statement is true

   No

   Statement

   Collinearity needs a drawing to confirm.

4. Statement is true

   Yes

   Statement

   Slope needs the two x values to differ.

5. Statement is true

   Yes

   Statement

   The angle between two lines can be found from their slopes.

Explanation