use the pythagorean theorem
Formula:
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Hey there!
The opposite of the square root of 25 is -5, and this is an <u>integer and a rational number and a real number.</u>
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Answer:
Step-by-step explanation:
I dont really know but somekne wil lask in the comments so you can find the answer.
Answer:
x = ±1
Step-by-step explanation:
Step 1: Define variables
f(x) = x² + 1
f(x) = 2
Step 2: Substitute
2 = x² + 1
Step 3: Solve for <em>x</em>
0 = x² - 1
0 = (x - 1)(x + 1)
x - 1 = 0
x = 1
x + 1 = 0
x = -1
∴ x = ±1
