Solve the equation using the square root method: 5z^2 = 80?
回答 (3)
2009-04-20 12:02 pm
✔ 最佳答案
z^2 = 80/5z^2 = 16
z = √16
z= ±4
2009-04-20 7:26 pm
5z^2 = 80
z^2 = 80/5
z^2 = 16
z = 屉16
z = ±4
z^2 = 80/5
z^2 = 16
z = 屉16
z = ±4
2009-04-20 7:02 pm
z^2=16
z=-4 & 4
z=-4 & 4
收錄日期: 2021-05-01 12:18:23
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