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Pearson Geometry Common Core, 2011

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Pearson Geometry Common Core, 2011 View details

7. Equations of Lines in the Coordinate Plane

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Exercise 37 Page 194

Plot the point on the coordinate plane and draw the horizontal and vertical lines passing through the point.

Horizontal Line: y=4
Vertical Line: x=6

Practice makes perfect

We will write the equation of the horizontal and vertical lines that pass through the point ( 6, 4). Let's begin by plotting the point on a coordinate plane.

Now, we can use the grid lines of the coordinate plane to create the horizontal and vertical lines.

Notice that every point on the horizontal line has a y-coordinate of 4. Likewise, every point on the vertical line has an x-coordinate of 6. We can use these facts to write the equations of the lines. Horizontal Line:& y= 4 Vertical Line:& x= 6

Subchapter links

Lesson Check p.193

Practice and Problem-Solving Exercises p.194-196

Standardized Test Prep p.196

Mixed Review p.196