exam Maths Puzzle Numerical Ability

Solve the system by graphing. 2x + y = 4
x + y = 3

Solve the system by graphing. x - y = 5
x + y = 3

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exam Other Question
can you help me understand the rational zeros theorem in this problem

use the rational zeros theorem to list all possible rational zeros of
P(x)= 3x^3-5x^2+4x-2 Can someone help me solve this problem?

I need to multiply:

(-6) in the power of 2 - 4 in the power of 2

Thanks,
Lyn