085 Synthetic Division

1

Use long division: (x^2+7x-30)\div(x-3)

1

Use long division: (x^2-13x+12)\div(x-1)

NOTES L5-2b: Synthetic Division
When does synthetic division work?

1

You can use synthetic division if you are dividing by (a + 2).

1

You can use synthetic division if you are dividing by (a2 - 4).

1

You can use synthetic division if you are diviing by (x - 9).

3

How do you complete synthetic division?

Write quotient with proper exponents & include the remainder as a fraction.
Drop down the first term.
Place the constant "r" from x - r in a "box".
Add.
Multiply by "r".
Write coefficients of dividend; inserting any missing terms as zero.
Repeat.

Look at the work for 

1

Who is correct?

1

What mistake did the other person make?

3

\frac{n^3+3n^2-5n-4}{n+4}

3

\frac{3z^5+5z^4+z+5}{z+2}

1

What does A equal?

1

What does B equal?

1

085 Synthetic Division

Use long division: (x^2+7x-30)\div(x-3)

Use long division: (x^2-13x+12)\div(x-1)

NOTES L5-2b: Synthetic Division

You can use synthetic division if you are dividing by (a + 2).

You can use synthetic division if you are dividing by (a2 - 4).

You can use synthetic division if you are diviing by (x - 9).

How do you complete synthetic division?

Who is correct?

What mistake did the other person make?

\frac{n^3+3n^2-5n-4}{n+4}

\frac{3z^5+5z^4+z+5}{z+2}

What does A equal?

What does B equal?

What does C equal?

Use long division: (x^2+7x-30)\div(x-3)

Use long division: (x^2-13x+12)\div(x-1)

NOTES L5-2b: Synthetic Division

You can use synthetic division if you are dividing by (a + 2).

You can use synthetic division if you are dividing by (a2 - 4).

You can use synthetic division if you are diviing by (x - 9).

How do you complete synthetic division?

Who is correct?

What mistake did the other person make?

\frac{n^3+3n^2-5n-4}{n+4}

\frac{3z^5+5z^4+z+5}{z+2}

What does A equal?

What does B equal?

What does C equal?