exam Maths Puzzle Numerical Ability

Solve the system of equations by graphing. then classify the system as consistant of inconsistant and the equalities as dependant or independant.
7x+y=12
8x+9y=-57

What is the solution of the system of equalities

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exam Other Question
on the axes provided sketch the graph of y--x^2-6x-5
answer all the following:

x intercept

y intercept

vertex

intervals where f(x)is increrasing

intervals where f( How can I Find the solutions to the equation: x− 5/x = 4