A horizontal line is one for which the value of y is the same for the entire length of the line. Therefore this type of line can be expressed as below:

Where "c" is a constant that changes the position of the line on the coordinate plane. If c is equal to 2, then we have a constant line that crosses the y-axis at the position 2 for example.
Answer: (2,0),(−2,0)
Step-by-step explanation:
Answer:
- 40
Step-by-step explanation:

Answer:
75
Step-by-step explanation: