q

x₀

−1

1

3

5

6

6.81

7

0.1

5(#DIV/0!)

22

5

6

6

7

7

0.5

6(#NUM!)

8

4

5

5

5

6

0.8

6

5

4

4

4

4

4

0.9

5

4

3

3

4

4

4

Absolute error

8.28226E−14

0

6.21725E−15

1.44329E−14

1.063

4

4

3

3

3

4

4

Absolute error

1.06581E−14

0

0

1.11022E−16