Faktor Menggunakan Kalkulator
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Backward method Casio fx570MS
•Mode 3x •Eqn – 1 •Unknowns – enter •Degree - 2
Mohd nazan kamarul zaman SMK. Kota Klias, Beaufort
1 x2 + 5x + 6 = 0 Step 1 : a = +1 , b = +5 , c = +6 Step 4 Step 3 Step 2
( x+2 )( x+2=0 x=-2
x+3)=0 x+3=0
or
x=-3
1
Solve the quadratic equation
3x 2 − 3x =2 x+6
3x 2 − 5 x − 12 = 0 ( 3x +
3 x − 3 x = 2( x + 6) 2
3 x − 3 x = 2 x + 12 2
3 x 2 − 3 x − 2 x −12 = 0 3 x 2 − 5 x − 12 = 0
3 x 2 −3 x =2 x +6
1 mark
4 3x + 4 = 0 3x = 4 4
x=−
3
1 mark
)( x - 3)=0 x – 3 = 0
x =3 1 mark
Great job!
1 mark
The end
•Mode 3x •Eqn – 1 •Unknowns – enter •Degree - 2
Mohd nazan kamarul zaman SMK. Kota Klias, Beaufort
1 x2 + 5x + 6 = 0 Step 1 : a = +1 , b = +5 , c = +6 Step 4 Step 3 Step 2
( x+2 )( x+2=0 x=-2
x+3)=0 x+3=0
or
x=-3
1
Solve the quadratic equation
3x 2 − 3x =2 x+6
3x 2 − 5 x − 12 = 0 ( 3x +
3 x − 3 x = 2( x + 6) 2
3 x − 3 x = 2 x + 12 2
3 x 2 − 3 x − 2 x −12 = 0 3 x 2 − 5 x − 12 = 0
3 x 2 −3 x =2 x +6
1 mark
4 3x + 4 = 0 3x = 4 4
x=−
3
1 mark
)( x - 3)=0 x – 3 = 0
x =3 1 mark
Great job!
1 mark
The end
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