exam Maths Puzzle Numerical Ability

9x-4y=8
4y-9x=-8
consistant or inconsistant
dependant or independant

What is the solution of the system of equations
a. infinetly many solutions
b. a point
c. no solution

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exam Other Question

how do i sove this equation?

(x^2)^-3(x^-2)
over
(x^2)^-4
Simplify: (3x^3 -9x -3) / (3x+3)

the possible answers are:
x^2 - x - 2 remainder 3
x^2 - 4x remainder -15
x^2 - 4x remainder 9
x^2 - x 0 2 remainder -9