Algebra 2 Q2 test Flashcards
1
Q
The difference of squares is a product of
A
Conjugates
2
Q
The conjugate of 3+2i is
A
3-2i
3
Q
Absolute value:
A
Distance from zero
4
Q
Modulus
A
Size of the clock (divide by mod and take remainder)
5
Q
Linear equation
A
5x-9=7
6
Q
Quadratic equation
A
x = ( -b ± √( b^2 - 4ac ) ) / ( 2a )
7
Q
Absolutely eclair equation:
A
|5x-3| = 7
8
Q
Interval notation
A
A set of all real numbers between two end points with no gaps
9
Q
Imaginary number
A
i = sqrt-1
10
Q
Square root property
A
Taking the square of a root of a variable generates +- sign
11
Q
Factoring a quadratic
A
Breaking a quadratic into two linear ewuations
12
Q
Zero product rule
A
If the product of xy=0 then x=0 or y=0
13
Q
i^0
A
1
14
Q
i^1
A
i
15
Q
i^2
A
-1