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y = 4x - 9

1) graph by using x- and y-intercept points (two points can determine a line).

if x = 0, then y = -9, the y-intercept

if y = 0, then x = 9/4 = 2 and 1/4, the x-intercept.

Plot the y-intercept point on the y-axis at y = -9.

On the x-axis, divide the third unit in 4 equal parts, take the first part, and plot the x-intercept there.

Connect the points with a straight line.

2) graph by using the y-intercept -9 and the slope of 4/1.

First, plot a point on the y-axis at y = -9.

From that point, move 4 units up and then 1 unit to the right to obtain another point. Continue like this as many times you want. Also, you can do the opposite. From the y-intercept point, move 4 units down and 1 unit to the left.

Connect the points with a straight line.

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11y ago
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Q: How do you graph y equals 4x-9?
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