\"\"

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The equation is \"\".

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Solve by algebraically.

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Apply addition property of equality: Add 36 to each side.

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\"\"

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\"\"                                (Simplify)\"\"

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Apply division property of equality: Divide each side by 4.

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\"\"

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\"\"                                     (Divide: \"\")

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The solution is 9.\"\"

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Solve by graphing.

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The equation is \"\".

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The related function is \"\".

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To graph the function make a table

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Draw a table

\ \
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\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
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x

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f(x) = 4x \"\"36

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f(x)

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(x, f(x))

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9

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= 4(9) \"\"36

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     0

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(9, 0)

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      10

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= 4(10) \"\"36

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4

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(10, 4)

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\"\"

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Use these ordered pairs to graph the equation.

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1.      Draw a coordinate plane.

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2.      Plot the points.

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3.      Draw a line through these points.

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\"The

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The graph intersects the x-axis at 9, hence the solution is 9.\"\"

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The root of the equation \"\" is 9.