Calculator Activity

LINEAR, QUADRATIC, AND CUBIC EQUATIONS

OBJECTIVE: To solve linear, quadratic, and cubic equations.

For EQUATION mode press .

1x 2 y 5 1. Solve the two equations for x and y: 3x 4 y 7

STEP 1: Choose 2-VLE by pressing .

STEP 2: Enter the coefficients for the first equation by pressing

.

STEP 3: Enter the coefficients for the second equation by pressing

.

NOTE: 3 simultaneous equations can be done by choosing 3-VLE and entered in a simlar fashion as 2-VLE.

2.Solve the following quadratic equation x 2 x 6 0

STEP 1: Chose QUAD by pressing .

STEP 2: Enter the coefficients by pressing

.

3.Solve the following cubic equation and express the answer in factored form: x3 6x 2 11x 6 0

STEP 1: Choose CUBIC by pressing .

STEP 2: Enter the coefficients by pressing

.

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