SOLUTION: Give an ordered pair (x,y)of numbers that satisfy the equation 4x-y=4

Question 177407: Give an ordered pair (x,y)of numbers that satisfy the equation
4x-y=4
Answer by Electrified_Levi(103) (Show Source): You can put this solution on YOUR website!
Hi, Hope I can help,
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Give an ordered pair (x,y)of numbers that satisfy the equation

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This is a pretty easy problem
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For this problem, you just pick a number for "x", "x" can be any number
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We will use "1", now replace "x" with "1" in the equation
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= = , now you just solve for "y"
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We will move "4" to the right
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= = , to get "y" to be positive, we will multiply each side by (-1)
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= =
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You can check by replacing the letters with numbers in the equation
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= = = (True)
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Ordered pairs are given as ( x,y ), our ordered pair ( or point ) is ( 1,0 )
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This equation is a line, to find a line we need two points, we already have one point, let us find one more point
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Name a number for "x", we will use (-1)
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Replace the letter with the number, = =
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Solve for "y", , we will move (-4) to the right side
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= =
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We will now multiply each side by (-1)
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= =
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Replace the letters with numbers in the original equation
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= = = (True)
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Ordered pairs are given as ( x,y ), our ordered pair, or point is (-1,-8)
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To draw the equation on a graph, you draw a line through the two points (1,0) and (-1,-8)
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Here is the graph
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Two points that satisfy the equation are (1,0) and (-1,-8)
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Hope I helped, Levi
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