document.write( "Question 179796This question is from textbook
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describes the set of all ordered pairs where the y-coordinate is equal to 1. Hence, this is a horizontal line that intersects the y-axis at the point (0, 1). (see the red line on the attached graph)\r
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describes the set of all ordered pairs where the y-coordinate is equal the x-coordinate. Because this equation is equivalent to

It is a line with a slope of 1 and a y-intercept = 0. (see the green line on the attached graph)\r
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