\"\"

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The equation is \"\".

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Solve by algebraically.

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Apply subtraction property of equality: Subtract 22 from each side.

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\"\"

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\"\"                               (Simplify) \"\"

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Apply division property of equality: Divide each side by 2.

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\"\" \ \

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\"\"                                 (Simplify)

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The solution is \"\".\"\"

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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) = 2x +22

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f(x)

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(x, f(x))

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\"\"9

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= 2(\"\"9) +22

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     4

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(\"\"9, 4)

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    \"\"10

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= 2(\"\"10) +22

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2

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(\"\"10,2)

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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 \"\", hence the solution is \"\".\"\"

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