# How do you write an equation of the horizontal line passing through the point (-7,4)?

##### 2 Answers

Mar 14, 2018

#### Explanation:

#"A horizontal line is parallel to the x-axis and passes "#

#"through all points in the plane with the same y-coordinate"#

#"the equation is "y=c#

#"where c is the value of the y-coordinate the line passes"#

#"through"#

#"the point here is "(-7,4)#

#rArry=4" is the equation of the line"#

graph{(y-0.001x-4)((x+7)^2+(y+4)^2-0.04)=0 [-10, 10, -5, 5]}

Mar 14, 2018

#### Explanation:

A horizontal line has a slope of

The equation of a straight line with slope

In this case

Hence,

graph{(y-0.000x-4)((x+7)^2+(y-4)^2-0.1)=0 [-14.24, 14.24, -7.12, 7.12]}