exam Maths Puzzle Numerical Ability

Text Book-Beginning and Intermediate Algebra with application and visualization
Question.

Is the ordered pair (3,1) a solution to the system 2x=3y=6
-5+2y=3 ?

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exam Other Question
1.8x-.3y=14.4
x-.6y=2.8



m2-8m=4 I am totally lost and need some help on theses problems

For each eqaution identify the axis of symmetry, creat a suitable table of value and sketch a gragh

Y=X^2-5x+3

and also Y=X^2+6x-2

Thanks a million