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joja [24]
3 years ago
9

What are the solutions to the equation y2 – 1 = 48?

Mathematics
1 answer:
Furkat [3]3 years ago
6 0

{y}^{2}  - 1 = 48 \\  {y}^{2}  = 49 \\ y =  \sqrt{49}  \\ y =  - 7 \: or \: 7

{y}^{2}  - 1 = 24 \\  {y}^{2}  = 25 \\ y =  \sqrt{25}  \\ y =  - 5 \: or \: 5

Hope this helps. - M
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