I have this problem on my homework and I wrote that the answer was +/-5 because -(+5)=-5 and -(-5)=+5. Was marked wrong and told the answer is -5. Why?

I have this problem on my homework and I wrote that the answer was +/-5 because -(+5)=-5 and -(-5)=+5. Was marked wrong and told the answer is -5. Why?

Approximate square root 31 with a decimal to the nearest hundredth. How does the square of that approximation compared to 31?

The square root of x+√(x^2-y^2) Options: 1. 1/2 ×√(x+y)+√(x-y) 2. √(x+y)+√(x-y)

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28 ----------- 2 However I'm not too...

Can someone help me solve this Quadratic Equation by square root? If you could do it step-by-step I would appreciate but if it's too much work then it's okay, just don't bother. 3x² +...

I need help with these, if someone could explain them step-by-step, I would really appreciate it :) 1. 3x² - 48 = 0 2. x² = 36 3. p² - 50 = 0

a. $3,049.20 b. $3,045.20 c. $3,094.20 d. $3,054.20 1 acre = 660 feet x 66 feet

solve by the square root property X^2=-100

Any help would be appreciated.

( x + 6)2 = 20

Square root of 8x multiplied by square root of 2x equals to 144.find the value of xa

Document 180k

This sheet will remove the challenge of simplifying radicals. Many know how to simplify square roots. But what about cubed roots? Fourth...

Square root of 64w^6

√c = 20

√c = 16

√c = 20

I don't know the answer( honestly) I need help please. Thank you!

Q. Solve using the quadratic formula: y = 3x² + 10x + 4 (-5 ± sqrt(22)) / 3 (10 ± i sqrt(38)) / 6 (-10 ± 13 sqrt(4)) / 6 (5 ± sqrt(12)) / 3 (-5 ± sqrt(13))...

solve the equation: the square root of x+2 - the square root of 2x+3 = -1

what are the solutions to the equation: the square root of x+5 + the square root of x-5 = 10

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