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Vedmedyk [2.9K]
3 years ago
15

What are the solutions to the equation x² = 169? Choose all answers that are correct. A. 13 B. –13 C. 84.5 D. –84.5

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0
x^{2} = 169

First, we need to take the square root of each side. 
x = \pm \sqrt169

Second, we now have to find the square root of 169 to solve this. Since 13 × 13 = 169, the square root of 169 is 13. The plus-minus symbol means in this case, the solution can be -13 and positive 13. To answer your question, option A) 13, and B) -13 are the solutions to the equation.
x = \pm 13

Answer: \pm13
stich3 [128]3 years ago
6 0

Answer:

The answers are A. 13, and B. -13.

I took the test - (See attachment :)

Step-by-step explanation:

Special thanks to the above answer!

Good Luck, future students!

God Bless!

~Rosy67

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