Trial and Improvement
Solve the equation x3 ­4x = 100
to 2dp using trial and improvement.
1
Solve the equation x3 + 2 x2 = 120
to 2dp using trial and improvement.
X
x3+2x2
120
Solve the equation x2 ­ 2/x = 5
to 2dp using trial and improvement.
2
Harder Trial and Improvement
Solve these equations using trial and improvement, to 2 dp.
x5 = 313
xx = 100
The number n has 2 digits after the decimal point and n to the power 10 is 2110 to the nearest whole number.
Find n.
3
Attachments
fibonnaci strips.xls