Datasheet
Solutions:
1. a. y = 0.25x + 4.5
b. y = 0.25x − 0.75
2. The slope of each line is 0.25.
3. a. y = 2x + 8;
b. y = 2x − 6
4. The slope of each line is 2.
5. The opposite sides are parallel.
Activity 7 • Geometry with the Casio fx-9750GII
)
6. a.
()(
22
4626 −+−− = 8.2
b.
()()
22
2053 −−+−− = 8.2
7. a.
()()
22
2452 −−+−−− = 6.7
b.
()()
22
0636 −+− = 6.7
8. Opposite sides of the parallelogram are equal.