ALGEBRA 2, 2010
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 PAGE: 77 SET: Exercises PROBLEM: 1

The equation is

The equation is in slope-intercept form.

To graph the equation, first graph the .

(Subtract x from each side)

(Commutative property: )

(Divide each side by  3)

(Cancel common terms)

(Multiply each side by negative one)

(Product of two same signs is positive)

First find the y-intercept.

The y-intercept is the value of y, when .

(Substitute )

(Divide: )

Next find the x-intercept

The co-ordinate point is

The x-intercept is the value of x, when .

(Substitute )

(Multiply each side by 3)

(Cancel common terms)

(Zero product property: )

(Commutative property: )

The co-ordinate point is

Use these ordered pairs to graph the equation.

1.     Draw a coordinate plane.

2.     Plot the points.

3.     Draw a line through these points.

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