Chapter 17: Activities 463
Displaying Complex Results
Displaying Complex ResultsDisplaying Complex Results
Displaying Complex Results
Now solve the equation 2x2Nx + 3 =0. When you set a+bi complex number mode, the
TI-84 Plus displays complex results.
5. Press } to move the cursor onto the +
sign in the formula. Press ¹ to edit the
quadratic-formula expression to become:
6. Press Í to find the other solution for
the quadratic equation 3x2+5x+2=0.
1. Press z † † † † † † (6 times),
and then press ~ to position the cursor
over a+bi. Press Í to select a+bi
complex-number mode.
b–b24ac–– 2a
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