book
Maths Puzzle
Numerical Ability
If you are dealing with complex numbers, how would you graph,
-4i
How would you graph
-2-i
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book Other Question
How would I figure out what the coordinates of the vertex is for y = x^2 - 4x + 5. I came up with the answer of (2,1). If this is correct thank you but if not please break it down
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