Imaginary Numbers
Simplify sqrt(-1)
i
(3+4i)+(7+2i)
(10+6i)
What dimensions is matrix A?
3x4
What is the y-intercept of the sine function?
0
f(g(x))
2x^2+4x+4
Simplify sqrt(-25)
(-4i + 6)+(5i + 12)
(i + 18)
What dimensions in matrix B?
3x4
What is the y-intercept of the cosine function?
1
f(m(x))
2x^2+24
Simplify sqrt(-13)
sqrt(13)i
(2i +3)-(4i-2)
(-2i+1)
What is A+B?
Answer on board
What is the max and min or cosine and sine?
max = 1
min=-1
m(f(x))
4x^2+16x+26
Simplify (4i)^2
-16
(2i + 4) * (3i -3)
(6i - 18)
What is A-B?
Answer on board?
What is the period of cosine?
2pi
m(g(x))
x^4+4x^3+4x^2+10
Simplify sqrt(i) * sqrt(i)
i
(5 + 3i)*(3-4i)
(27-11i)
What is 3B?
Answer on board
What are the asymptotes on the tangent function?
pi/2*n
g(f(x))
4x^2+20x+24