Vocab
Complex Numbers
Completing the square
Factoring
Matrices
100
y-y1=m(x-x1)
What is point slope form?
100
√-1
What is i
100
X=+ √5 -
What is 7X^2-10=25
100
Factoring
What is taking a quadratic expression/equation and writing it as the product of 2 binomials
100
To represent a system of linear equations and solve using a rectangular array called a matrix
What is the point of matrices
200
A= [2 4 1 6 5 3]
What is a matrix?
200
i4√2
What is √-32
200
X1=12 X2= 2
What is x^2-14x+49=25
200
"3" in the expression: 6n^2+9n
What is the greatest common factor?
200
Rows and Columns
What is a matrix named by
300
y=X^2+6X-1
What is a quadratic function?
300
(7+7i)
What is (5-3i)-(-2+4i)
300
X^2+4x+4=25
What is a perfect square trinomial
300
4(X-7)(X-2)
What is 4x^2+20x-56
300
an element
What is each number in a matrix referred to as?
400
x=\frac{-2c}{b\pm\sqrt{b^2-4ac}}.
What is the quadratic formula?
400
-21
What is (7i)(3i)
400
x= 2 +/- √2
What is 3x^2-12x+6=0
400
(2X+3)(X+4)
What is 2X^2+11X+12
400
[2 1 9] [1 -6 -1]
What is 2x+y=9 X-6y= -1 as a matrix
500
Standard Form and Vertex Form
What is y=ax^2+bx+c and y=a(x-h)^2+k
500
-10 + 11i __ ___ 17 17
What is 2+3i ___ 1-4i
500
A= 1 Subtract C to other side of equation Complete the square with (b/2)^2 Factor Solve
What is completing the square?
500
x^2-9 ----> (X+3)^2
What is differences of 2 squares
500
RREF
What is using the calculator method called
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