\"\"

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The equation is \"\".

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Solve by graphing.

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\"\"           (Add 4x to each side)

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\"\"                                      (Simplify)

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\"\"                           (Subtract 7 from each side)

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\"\"                                            (Simplify)\"\"

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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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x

\ 		\

f(x) = x \"\"1

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f(x)

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(x, f(x))

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1

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= 1 \"\"1

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     0

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(1, 0)

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      2 \ \

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= 2 \"\"1

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1

\ 		\

(2, 1)

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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  graphintersects the x-axis at 1, hence the solution is 1.\"\"

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Check:-

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To check the solution substitute x = 1 in equation \"\".

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\"\"                     (substitute x = 1)

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\"\"                                (Multiply: \"\") \ \

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\"\"                                            (Subtract: \"\")\"\" \ \ The root of the equation \"\" is 1.