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Melissa Huntoon
mod.16 Solving quadratic equations by completing the square
Question | Answer |
---|---|
x^2+6x=-2 | x=√7 −3 x=−√7 −3 |
x^2-2x-1=0 | x=1+√2 x=1−√2 |
x^2-8x+24=0 | x=4+2ı√2 x=4−2ı√2 |
x^2-6x+7=0 | x=3+√2 x=3−√2 |
x^2+(4/5)x-1=0 | x=−(4/5)+(√29/5) x=−(4/5)-(√29/5) |
x^2+2(4)x=-20 | x=2i-4 x=-2i-4 |