Activities; The Quadratic Formula; Entering A Calculation - Texas Instruments TI-84 Plus Manual Book

Chapter 17: Chapter 17: Chapter 17: Chapter 17:

Activities

Activities
Activities Activities

The Quadratic Formula

The Quadratic Formula
The Quadratic Formula The Quadratic Formula

Entering a Calculation

Entering a Calculation Entering a Calculation Entering a Calculation
Use the quadratic formula to solve the quadratic equations 3x
2
N x + 3 = 0. Begin with the equation 3x
2x
¿ ƒ [A] (above ) to
1. Press
3
store the coefficient of the x
2. Press ƒ [:] (above Ë). The colon
allows you to enter more than one
instruction on a line.
¿ ƒ [B] (above Œ) to
3. Press
5
store the coefficient of the X term. Press
ƒ [:] to enter a new instruction on
the same line. Press
(above ) to store the constant.
4. Press Í to store the values to the
variables A, B, and C.
The last value you stored is shown on
the right side of the display. The cursor
moves to the next line, ready for your
next entry.
Chapter 17: Activities
2
2
term.
¿ ƒ [C]
2
2
+ 5x + 2 = 0.
+ 5x + 2 = 0 and
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