Solutions of quadratic equations by extracting the square root .
1.3x²=27
2.x²-144=0
3.x...
Mathematics, 31.10.2020 17:20 arianapowell56
Solutions of quadratic equations by extracting the square root .
1.3x²=27
2.x²-144=0
3.x²-20=25
4.4x²-16=36
5.(2x-1)² =36
Answers: 3
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36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
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