Factoring
Complex Numbers
MATRIX
Systems of Equation
Interval and set notation
100
r2 - 36
(r + 6) (r-6)
100
i5
i
100
what is the dimension of the matrix
4 6 5
2 -3 -7
1 0 9
3x3
100
x + y = 6
-3x + y = 2
x = 1 and y = 5
100
write set like the integers from 2 to 6
{2, 3, 4, 5, 6}
200
5n2 - 43n- 70
(5n+7) (n-10)
200
2-3i
3
200
identify the element of a 2 1
17 24 3
10 12 15
9 30 15
a 2 1= 10
200
3x + 2y = 19
x + y = 8
x = 3
y = 5
200
x ≤ 20
x less than or equal to 20
300
2m4 - 19m3 + 42m2
(2n - 1)(2n +1)
300
i3 + i6 + i9
-1
300
solve for B-A
-2 2 -1 _ 3 2 4
-1 -2 4 -1 4 0
-2 2 -1
3 2 -4
300
2x − y = 4
6x − 3y = 12
no solution
300
x ≤ 2 or x > 3
{ x 
| x ≤ 2 or x >3 }
400
16x4 -25
(4x2 - 5)(4x2 + 5)
400
(5- 3i)(7+3i)
41-11i
400
4 6 5
-3 2 -3 -7
1 0 9
-12 -18 -15
-6 9 21
-5 0 -27
400
x + z = 6
z − 3y = 7
2x + y + 3z = 15
x = 2
y = −1
z = 4
400
give examples to the interval 2 to 4 includes numbers
2.1 2.5 2.75
500
27x2 + 165x + 150
3(x+5) x (9x+10)
500
(3 - i )( 4+3i )( 5-2i)
85-5i
500
-1 0 -3 3
3 -4 and 5 0
3 -3
-29 9
500
x+2y−z=4
2x+y+z=−2
x+2y+z=2
x= -5/3
y=7/3
z= -1
500
x greater than, or equal to, 3
[3, +∞)