Sharp EL-W516B 3x  5 y 

NAME ___________________________________________ DATE________________

LINEAR, QUADRATIC, AND CUBIC EQUATIONS

Use your EL-W516B to solve the following linear, quadratic, and cubic equations.

Set your calculator to EQUATION mode by pressing .

1.Solve the two linear equations for x and y:

x 2 y  10

3x  5 y  0

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2.Solve the three linear equations for x, y, and z:

x y  5

x  y  z  6 y  z  0

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3.Solve the following quadratic equation:

x2  x 1  0

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4.Solve the following cubic equation and express the answer in factored form: x3  x 2  x 1  0

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