X=5, y=-4
(5,-4)
do you need the work?
Answer:
your 3rd option
Step-by-step explanation:
![\frac{-1+/-\sqrt{1-4(2)(2} )}{2(2)}](https://tex.z-dn.net/?f=%5Cfrac%7B-1%2B%2F-%5Csqrt%7B1-4%282%29%282%7D%20%29%7D%7B2%282%29%7D)
![{\frac{-1+/-\sqrt{1-16} }{4}}](https://tex.z-dn.net/?f=%7B%5Cfrac%7B-1%2B%2F-%5Csqrt%7B1-16%7D%20%7D%7B4%7D%7D)
![{\frac{-1+/-\sqrt{-15} }{4}}](https://tex.z-dn.net/?f=%7B%5Cfrac%7B-1%2B%2F-%5Csqrt%7B-15%7D%20%7D%7B4%7D%7D)
![{\frac{-1+/-i\sqrt{15} }{4}}](https://tex.z-dn.net/?f=%7B%5Cfrac%7B-1%2B%2F-i%5Csqrt%7B15%7D%20%7D%7B4%7D%7D)
Answer:
2.Matrices and Linear Algebra. 2.1 Basics. Definition 2.1.1. A matrix is an m × n array ... aij = 0 i = j. (1b) A diagonal matrix A may be denoted by diag(d1,d2,... ,dn) ... space of A. With r1 (A),...,rm (A) denoting the rows of A the row space
4.Introduces reflections in the x- and y-axes. Demonstrates the ... This leaves us with the transformation for doing a reflection in the y-axis. For this transformation, I'll switch ... Many textbooks don't get any further than this. If these are all the rules ...