Question

Choose the value of the coefficient determinant (D) in the following system.

2x – 5y = –2
x – 3y = 0

–11

–1

1

11

Answer 1

i was explaind to u before ..
can u calculate of :
2(-3) - (-5)(1) = .... ?

Answer 2

6-(-5)

Answer 3

?

Answer 4

its 11

Answer 5

2(-3) - (-5)(1) = -6 - (-5) = -6 + 5 = -1

Answer 6

so in this one
x – 2y = –4
2x – 3y = –3
1-(-3)-2*2

Answer 7

oh gosh am really bad sorry ! :(