Texas Instruments TI-84 - Manual (Page 467)

Chapter 17: Activities 464
2. Press
y 5 (above z) to return to
the home screen, and then press
‘
to clear it.
3. Press 2
¿ ƒ [A] ƒ [:] Ì
1
¿ ƒ [B] ƒ [:]
3
¿ ƒ
[C]
Í.
The coefficient of the x
2
term, the
coefficient of the X term, and the
constant for the new equation are stored
to A, B, and C, respectively.
4. Press
y [ to recall the store
instruction, and then press
y [
again to recall the quadratic-formula
expression,
5. Press
Í to find one solution for the
equation 2x
2
N x + 3 = 0.
b – b
2
4ac – –
2a
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