Use the determinant of the coefficient matrix to determine which of the following linear systems have
unique solutions.
0 x+ 3y = 4
3.x - y = 5
x+2y – z = 8
x-y+22=0
2x - 3y + z = 1
o
x + 3y + z = 4
2x+6y + 2z = 5
x+ y + z = 0
done

What is the simplified expression for 6(2(y+x))

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0

X+y=-4 x-y=2 use elimination with adding and subtraction