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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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