The equation is
The equation is in slope-intercept form.
\To graph the equation, first graph the .
According to Subtraction property of equality: If a = b then .
(Subtract 2x from each side)
(Commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Multiply each side by negative one)
(Multiply:
)
(Distributive property:
)
(Multiply:
)
The product of two same signs is positive.
First find the y-intercept.
\The y-intercept is the value of y, when .
(Substitute
)
(Multiplication property of zero:
)
(Additive identity property:
)
Next find the x-intercept.
\The co-ordinate point is .
The x-intercept is the value of x, when .
(Substitute
)
According to addition property of equality: If a = b then a + c = b + c
\ (Add 9 to each side)
(Commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
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.