Answer:
y = ±7y=±7
Step-by-step explanation:
Transpose -49
y {}^{2} = 49y2=49
Square root both sides and if a number is a positive, it will give two solution or roots
\sqrt{y {}^{2} } = \sqrt{49}y2=49
A. ±7
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Answers & Comments
Answer:
y = ±7y=±7
Step-by-step explanation:
Transpose -49
y {}^{2} = 49y2=49
Square root both sides and if a number is a positive, it will give two solution or roots
\sqrt{y {}^{2} } = \sqrt{49}y2=49
y = ±7y=±7
Answer:
A. ±7
Step-by-step explanation: