3. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor
4. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
5. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
6. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
7. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
8. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
9. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x 2 1 x 4 0 x3 x 2 0 x 1
10. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2
x 2 1 x 4 0 x3 x 2 0 x 1
11. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
12. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2
13. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2 0 x 1
14. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2 2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2 0 x 1
15. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2 2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2 0 x 1
2x2 0x 2
16. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2 2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2 0 x 1
2x2 0x 2
17. Polynomial Division
P x A x Q x R x
where;
A(x) is the divisor Q(x) is the quotient
R(x) is the remainder
Note:
degree R(x) < degree A(x)
Q(x) and R(x) are unique
1998 Extension 1 HSC Q2a)
Find the quotient, Q(x), and the remainder, R(x), when the polynomial
P x x 4 x 2 1 is divided by x 2 1
x2 2
x 2 1 x 4 0 x3 x 2 0 x 1
x 4 0 x3 x 2
2x 2 0 x 1
2x2 0x 2
Q x x 2 2 and R x 3
18. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
19. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
20. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
21. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
22. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2
23. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
24. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
25. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
26. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x
27. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
28. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
29. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
2x2 6x 2
30. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
2x2 6x 2
1
31. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
2x2 6x 2
1
(ii) Hence write f(x) = g(x)q(x) + r(x) where q(x) and r(x) are
polynomials and r(x) has degree less than 2.
32. (i) Divide the polynomial 1988 Extension 1 HSC Q4b)
f x 2 x 4 10 x 3 12 x 2 2 x 3 by g x x 2 3 x 1
2x 2 4 x 2
x 2 3 x 1 2 x 4 10 x 3 12 x 2 2 x 3
2 x 4 6 x3 2 x 2
4 x 3 10 x 2 2 x 3
4 x 3 12 x 2 4 x
2x2 6x 3
2x2 6x 2
1
(ii) Hence write f(x) = g(x)q(x) + r(x) where q(x) and r(x) are
polynomials and r(x) has degree less than 2.
2 x 4 10 x 3 12 x 2 2 x 3 x 2 3 x 12 x 2 4 x 2 1
34. Further graphing of polynomials
P x R x
y Q x
A x A x
solve A(x) = 0 to find
vertical asymptotes
35. Further graphing of polynomials
P x R x
y Q x
A x A x
y = Q(x) is the solve A(x) = 0 to find
horizontal/oblique vertical asymptotes
asymptote
36. Further graphing of polynomials
solve R(x) = 0 to find where
(if anywhere) the curve cuts
the horizontal/oblique
asymptote
P x R x
y Q x
A x A x
y = Q(x) is the solve A(x) = 0 to find
horizontal/oblique vertical asymptotes
asymptote
37. 8x
Example: Sketch the graph of y x 2 , clearly indicating any
x 9
asymptotes and any points where the graph meets the axes.
38. 8x
Example: Sketch the graph of y x 2 , clearly indicating any
x 9
asymptotes and any points where the graph meets the axes.
• vertical asymptotes at x 3
40. 8x
Example: Sketch the graph of y x 2 , clearly indicating any
x 9
asymptotes and any points where the graph meets the axes.
• vertical asymptotes at x 3
• oblique asymptote at y x
42. 8x
Example: Sketch the graph of y x 2 , clearly indicating any
x 9
asymptotes and any points where the graph meets the axes.
• vertical asymptotes at x 3
• oblique asymptote at y x
• curve meets oblique asymptote at 8x = 0
x=0