(-3,-4), (3,-5)

Find the midpoint of the line segment with the given endpoints.

(0,-9/2)

Step-by-step explanation:

(-3+3)/2. (-4+(-5))/2

(0)/2. (-9)/2

(0,-9/2)

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,