exam Maths Puzzle Numerical Ability

Solve by elimination

2x + 3y = 21
5x - 2y = -14

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exam Other Question

9. approximate the point of the intersection of the graphs og f and g. then solve the equation f(x)=g(x) algebraically. f(x)=log3x g(x)=0 True or False.

the following matrices can be multiplied.

[2 -2] [0 1]
[3 -3] [9 -1]
[0 1]