Question

What graph shows the linear equation y = 1?

Answer 1

The equation y =1, means that y is one for any value of x. Therefore you will get a straight horizontal line that goes through (-1,1) (0,1), (1,1), (2, 1) etc.. It will be parallel to the y-axis, but one unit up, as I have tried to illustrate below:

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| y = 1

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| x-axis

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