Solve the following system of equations.
x - 2y = 5
-3x + 2y = 7

a. x = 11, y = 11/2
b. x= 3, y = -1
c. x = 3, y = 1
d. x= -6, y = –11/2

answer:

the answer is d.x=-6,y=-11/2

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

answer:   c ?

step-by-step explanation: