Matrix
3 {
4 -3 + -6 2
5 2 -6 0 }
-6 -3
-3 6
x 2 − 7x − 18
(x − 9)(x + 2)
y = 6x − 11 −2x
− 3y = −7
(2, 1)
−4x − 2y = −12
4x + 8y = −24
(6, −6)
| 2d | | - 14 = 3 |
d = { 8.50, -8.50 }
6 { [6 0 0] - [1 -5 6] }
[30 30 -36 ]
p 2 − 5 p − 14
( p + 2)( p − 7)
2x − 3y = −1
y = x − 1
(4, 3)
4x + 8y = 20
−4x + 2y = −30
(7, −1)
2| | b + 7 | | = 10
b = { -2.00, -12.00 }
[0 -2 1]+ [6 -1 0] + [6 0 3]
[12 -3 4]
7k 2 + 9k
k(7k + 9)
−3x − 3y = 3
y = −5x − 17
(−4, 3)
−6x + 5y = 1
6x + 4y = −10
(−1, −1)
| | y + 5 | | = 22
y = { 17, -27 }
[-4 -4 0]
[1 -1 2] + [1 -1 2]
Undefined
7x 2 − 45x − 28
(7x + 4)(x − 7)
y = 5x − 7
−3x − 2y = −12
(2, 3)
−x − 7y = 14
−4x − 14y = 28
(0, −2)
| 9n | | - 15 = 13
n = { 3.11, -3.11 }
5 [6 2 3 0] + 6 [-2 0 -3 -6]
[18 10 -3 -36]
2b 2 + 17b + 21
(2b + 3)(b + 7)
−7x − 2y = −13
x − 2y = 11
(3, −4)
) −4x − 15y = −17
−x + 5y = −13
(8, −1)
| | -6x | | = 11
x = { 1.83, -1.83 }