Long/Syn Division
Using long division, what is the divisor of this polynomial.
(x^3+6x^2-2x+6)/(x^2+2)
x2+2
Using Descarte's Rule of Signs, how many possible positive zeros are there?
5x^5+10x
0
Simplify
(2+3i)+(6-7i)
8-4i
What is the complex conjugate of 3+5i
3-5i
sqrt(-16)
4i
Using Long Division, what is the quotient of this polynomial
(x^3+6x^2-2x+6)/(x^2+2)
x+6
Using Descarte's Rule of Signs, how many possible positive zeros are there?
-5x^3+x^2-x+5
3 or 1
Simplify
(4-6i)-(-7+8i)
-11-14i
What is the complex conjugate of -4-7i
-4+7i
sqrt(-48)
4sqrt(3)i
Using Synthetic Division, what is the quotient of this polynomial?
(x^3+x^2+2x+9)/(x+2)
x^2-x+4
Using Descarte's Rule of Signs, how many possible negative zeros are there?
-5x^3+x^2-x+5
Simplify
2i(3+6i)-4(2-8i)
-20+38i
What is the complex conjugate of
-4+sqrt(3)i
-4-sqrt(3)i
4i^2
-4
Using Synthetic Division, what is the remainder of this polynomial?
(3x^3-x^2+8x+7)/(x+2)
-37
List the possible rational zeros of the following polynomial (Hint these are the p's and q's):
x^3+x^2+9x+9
p/q=1, 3, 9
Simplify:
(2-6i)(3+4i)
30-10i
What is the complex conjugate of
-2-2sqrt(2)i
-2+2sqrt(2)i
4i2+6i3
-4-6i
Using Synthetic Division, find the quotient of the polynomial.
(2x^4+6x^3-10x^2-13x-29)/(x+4)
Quotient:
2x^3-2x^2-2x-5
List the possible rational zeros of the following polynomial (Hint these are the p's and q's):
5x^3-9x^2+28x+6
p/q=1, 1/5, 2, 2/5, 3, 3/5, 6, 6/5
Simplify:
(4+2i)/(5+i)
11/13+3/13i
What nationality is mathematician Rene Descartes?
sqrt(-7)*sqrt(-8)
-2sqrt(14