exam Maths Puzzle Numerical Ability

I had just had a similar question answered but i need one more example for me to fully understand.

write and equation that satisfies the given conditions.

parallel to y=-3x,

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exam Other Question
evaluate these exponetials (that is, express them in cartesian and/or polar form):

1.) e^1+ipi -- 2.) e^ipi/2 -- 3.) e^e^Inpi+ipi/2 need to solve algebraically


-3 > 7/8x -1
-2 > 7/8x
-16x > 7
x > -7/16