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Graphing Quadratic Equations
Complex Numbers
Factoring
Quadratic Formula
100
Identify a, b, and c in x^2 + 3x - 4
a=1 b=3 c= -4
100
I^2 equals what?
-1
100
Write an equation in standard form that has 7 as its roots.
x^2 - 14x + 49
100
What is the quadratic formula?
-b plus or minus the square root of b^2 - 4ac all over 2a
200
What is the vertex and y intercept of: x^2 - 2x +3
(1, 2), y=3
200
What is the square root of -81
9i
200
Write an equation with -3 and 2 as its roots
x^2 + x - 6
200
x^2 + 6x = 16
x = 2 and -8
300
Determine whether the function has a minimum or maximum. State that value and the domain and range. y = -x^2 + 6x - 1
max = 8 D= all real numbers R = x values less than or equal to 8
300
What is the square root of -32
4i root 2
300
Factor x^2 - 4x - 21
(x-7)(x+3)
300
x^2 + 3 = -6x + 8
x = -3 +/- the square root of 14
400
What is the solution of x^2 + 5 = -8x - 11
-4
400
(-1 + 5i) + (-2 - 3i)
-3 + 2i
400
Solve. x^2 - 36 = 0
x = 6 and -6
400
x^2 + 8x +5
x = -4 +/- the square root of 11
500
What are the two solutions of x^2 - 3x - 4
-1 and 4
500
Simplify (3 + 2i)(-2 + 4i)
-14 + 8i
500
Find the solutions for x. x^2 - 3x - 28
x = -4 and 7
500
Find the discriminant and describe the type of solutions you will have. x^2 - 6x + 9
Discriminant = 0 1 rational solution