Complex Numbers
i equals what
What is square root of -1
(4x2 + 2x) + (x2 + 6x)
5x2 +8x
The zeros of this x2 - 4 = 0 equation are these.
What are x = 2, x = -2
(2x3 -5x2+x-3) ÷ (x - 1)
-5
x, y coordinates reveals how the _____ of the graph moves
direction
What is the standard form of complex numbers
a + bi
(-3y2 + y) + (4y2 + 6y)
y2 +7y
The zeros of this 36x2 - 1 = 0 equation are these.
What are x = 1/6, x = -1/6
x2 + 6x – 17 is divided by x – 1.
-10
What is the formula for area of a rectangle?
Area = width x length
(5+6i) + (4-2i)
What is 9 + 4i
(2x2 + 5x - 3) - (3x3 + 2x - 5)
-3x3 + 2x2 +3x + 2
The zeros of this 25x2 - 16 = 0 equation are these
What are x = 5/4, x = -5/4?
4x2 – x + 3 is divided by x + 2.
21
What does the a represent in a + bi
real numbers
(6+5i)- (3+2i)
What is 3+3i
(-3a2 - 2a) - (4a2 - 4)
-7a2 - 2a + 4
The zeros of this x2 +20x + 100 = 0 equation is this...
What is x = -10?
2x3 – x2 – x – 1 is divided by x – 1.
-1
How to determine the slope of a graph? Hint: It is not y=mx + b
slope = Rise/run
(7+i)(7-i)
What is 48
(-3x + 3)(-2x-4)
6x2+ 6x-12
The zeros of this x2 +9x - 10 = 0 equation are these
What is x = -10, x = 1
x4 – x3 – x2 – x – 1 is divided by x – 3.
41
What is the square root of -3 in the form of a + bi
0 + square root of 3i