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Graphing Quadratics
Solving by Graphing
Factoring
Complex Numbers
Vocabulary
100
What is the y intercept of the following equation: x^2 + 32x - 16
-16
100
What is another word for solutions of a quadratic equation?
Roots or X-intercepts
100
x^2 + 7x - 18
(x - 2)(x + 9)
100
square root of -72
6i sq rt 2
100
The middle term is called 3x^2 - 2x + 5
linear term
200
What is the axis of symmetry for the following equation? 2x^2 - 4x +3
x = -1
200
-3x^2 + 3 = 0
-1, 1
200
3x^2 + 21x + 36
3(x + 4)(x + 3)
200
Solve 5x^2 + 45 = 0
+/- 3i
200
If a parabola opens upward, the y coordinate of the vertex is called the......
Minimum Value
300
What is the vertex of the following equation -x^2 - 4x + 12
-2, 16
300
-x^2 +5x -8
No real solutions
300
Solve: x^2 - 100
-10, 10
300
Simplify (5 - i) - (3 - 2i)
2 + i
300
The highest or lowest part of a parabola are called....
vertex
400
What is the min or max value of the following equation? -2x^2 + 8x + 7
Max at 15
400
-x^2 -6x - 9 = 0
-3
400
Solve: 2x^2 + 5x - 3
-3, 1/2
400
Simplify (5 - 2i)(4 - i)
18-13i
400
type of expression in the form of 6i, -2i, i sq rt 3
pure imaginary numbers
500
What is the domain and range of the following equation? x^2 - 10x + 5
Domain: All Real Numbers Range: y is greater than or equal to - 20
500
2x^2 - 12x + 17
Between 2 and 3 Between 3 and 4
500
Find two consecutive integers whose product is 272.
16, 17 or -16, -17
500
Simplify 2 - 4i ------ 1 + 3i
-1 - i
500
Two complex numbers in the form of a + bi and a - bi are called what?
Complex Conjugates