\
The equation is
The equation is in slope-intercept form.
\To graph the equation, first graph the .
(Subtract x from each side)
(Commutative property:
)
(Additive inverse property:
)
(Additive identity 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
) \ \
\
(Additive identity property:
)
(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:
)
(Add 9 to each side)
(Commutative property:
)
(Additive inverse property:
)
(Additive identity 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.
\