SOLUTION: If A = [x, 3] [y, 2] determine the values of x and y for which A^2=A.

Algebra.Com
Question 1159573: If A =
[x, 3]
[y, 2]
determine the values of x and y for which A^2=A.

Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!
=
From this, you can get four equations
1)
2)
3)
4)
(2) ==> x=-1
(4) ==> y=-2/3
You can verify (1) & (3) hold, as does
=

RELATED QUESTIONS

Determine the constants x and y so that (-3 + 4(cos^2 x))/(1-2(sin x)) = a + b(sin x) for (answered by ikleyn)
if y = 2x +3 and x < 2 which of the following represents all the possible values for y ? (answered by Edwin McCravy)
For each relation determine if y is a function of x.... (answered by Edwin McCravy)
Determine a relationship between the x- and y-values and write an equation. x: -3, -2,... (answered by robertb)
For each of the following curves, find the values of x for which y<0. a) y=2x^2 +4x +1... (answered by Boreal)
Given that y=-2/3x^3+5/2x^2-2/x,find the two values of x for which y is stationary. Show... (answered by Alan3354)
Given that y=2/3x^3+5/2x^2-2/x,find the two values of x for which y is stationary.Show... (answered by Alan3354)
For which values of x do y^2=5x^2-4x and y=2x-3... (answered by lwsshak3)
Find values of a and k for which each parabola contains the given points y-k =... (answered by lwsshak3)