Answer:
I cant see the photo
Step-by-step explanation:
sorry
We need the rest of the question :)
Answer:
Step-by-step explanation:
Given
The given system is 
can be represented by
The given system is consistent when determinant of A is not equal to zero
i.e. system is consistent for all value of k except 
Answer:
x=2
Step-by-step explanation:
use distributive property: x^2+2x-1=4
remove the -1 by adding 1 on both sides: x^2+2x=5
use the guadratic fromula: ax²+bx+c=0
plug in the equation x^2+2x-5=0
a,b and c are the coefficients to plug into the formula
a=1, b=2, c=-1
Finally, you will find that x=2
