1. EXERCISE 1.5
Find the determinant of the following matrices.
-1
-1 1
(i) A=
2 0
(ii) B =
1 3
2 -2
)
(iii) C=
3 2
3 2
(iv) D=
3 2
1 4​

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Which strategy is used by public health to reduce the incidence of food poisoning?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.