Web"This is because to square a number just means to multiply it by itself. For example, $(-2)$ squared is $(-2)(-2) = 4$. Note that this is positive because when you multiply two negative numbers you get a positive result." The standard +/- (plus, minus) notation can cause confusion in these rules becau… WebAnswer: Yes. If a number is squared, it becomes positive. The square of a number can be found by multiplying the number by itself. Explanation: The product of two negative …

When a negative number is squared, why is the result a positive …

WebSep 7, 2024 · As we know that the right side is negative or zero, the only two cases remaining here will be: x ≤ 0 and x2 > ( − 2√4 − 2x)2 x > 0. The second case is impossible as the left side will be positive and the right side will be negative. Thus, the only case we need to consider is the first case, which is equivalent to x2 + 8x − 16 > 0. WebIn this video, I challenged Richard from Video Game Restoration to repair a broken Game Boy and then turn it into the ultimate Game Boy by upgrading the screen and installing a rechargeable battery. phoebe browser

The square root of a negative number is not a real number. Why?

WebAssuming a is not negative! We can do that for xy: (√xy)2 = xy And also to x, and y, separately: (√xy)2 = (√x)2 (√y)2 Use a 2b 2 = (ab) 2: (√xy)2 = (√x √y)2 Remove square from both sides: √xy = √x √y An Exponent of a Half A square root can also be written as a fractional exponent of one-half: but only for x greater than or equal to 0 WebWhy some people say it's false: When you square x, x, it becomes positive no matter what it was before; then, when you take the square root, it's still positive. Therefore, the answer is just x ∣x∣, not \pm x ±x. \color {#20A900} {\text {Reveal the Correct Answer:}} Reveal the Correct Answer: WebYou can square a number in Excel with the power function, which is represented by the carat ^ symbol. Use the formula =N^2, in which N is either a number or the value of the … phoebe brown kinston nc