exam
Maths Puzzle
Numerical Ability
rewrite the equation as a function of x.
-3x + 4y = 11
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exam Other Question
substitution method
m-2n=16
4m+n=1
-14x = -2x^2 + 36 also, in the radical symbol, since the set-up shows b^2 - 4ac would that make the 4 negative there? thank you so much!