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Example Stem 1: If x-n then y=6 is a solution to the equation
represented by the graph shown.

What is the approximate value of n?
A.-13.5
B.-1
C. 4.5
D. 7

Example Stem 1 If xn then y6 is a solution to the equation represented by the graph shown What is the approximate value of n A135 B1 C 45 D 7 class=

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sqdancefan

Answer:

  B.  -1

Step-by-step explanation:

You want the value of x corresponding to y = 6 as shown by the graph.

Coordinates

Locate the horizontal line at y = 6. Find where that intersects the plotted line, and determine the x-coordinate of that point.

The point where y = 6 is located half a grid square left of the y-axis. Each grid square is 2 units, so that is 1 unit left of the y-axis, or x = -1.

The approximate value of n for x = n at y = 6 is -1.

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