pete-said-that-sqrt-2-times-sqrt-8sqrt164-do-you-agree-with-pete-explain-why-or-why-not

Question

Pete said that $\sqrt{-2} 	imes \sqrt{-8}=\sqrt{16}=4 .$ Do you agree with Pete? Explain why or why not.

Ernest Castorena · Accepted Answer

this time they asked us, Does the cube root of negative eight equal negative too? Well, the answer is yes. Why? Well, negative. Two times, maybe of £2. 92 is just something four times negative to negative. And I worked because we&#x27;re taking it onto of a negative number just fine. We&#x27;ll get the negative number I have to.

Matt Gibson · Answer

the question asks, if these are equal. You cannot divide a radical by an an edger, so these would not be equal. You could divide this with your calculator and you would see that these would not give you the same decimal. If I have this, that would give me the same as the square root of that which would give me the same thing. And clearly dividing by two is not the same as

Finian Lickona · Answer

All right, So in this exercise, we are going to answer the question whether this square is 16. Plus, the square root of 48 equals the square root of 64. Now, to do this, we&#x27;re gonna have to break each of these down their simplest radical. For now, the square root of 16 simply reduces the four. Because 16 it&#x27;s four times for 48 can be rewritten as three times 16. So we can bring that four outside of the radical. And keep that three in the radical. And then eight of 64 of course, simplifies to eight. So we have does four plus four free. Three equal eight. And the answer is no, because for room three is bigger than the value four. So four plus 43 would automatically be bigger than four plus four, which is eight. So this term does not equal this term.

Zach Steedman · Answer

So we have to decide This year is right or wrong about this being a geometric sequence. And indeed it is. Here&#x27;s why. All you&#x27;re doing is multiplied by the square to to to get to the next term every time. And so when we have eight times. Or let&#x27;s look from H for 2 to 16 because I think that&#x27;s a little bit more difficult to see. But if I do a screw to Times Square to two well, a square to to Times Square to two is two. This is the same thing is eight times to which is 16 and so indeed, it works from 16 square 2 to 32. There is a common ratio of the square to two, and yes, the geometric means are those three numbers in between, where squared of two can be multiplied by each term to get to the next one. So this is definitely a geometric series with the common ratio of the square root of two

Zach Steedman · Answer

All right. We have the square root of four to the third power minus the square root of four. We&#x27;re gonna see if this whole thing equals four. And if it doesn&#x27;t, we&#x27;re gonna say no, it&#x27;s not true. Um, for the third power is four times for which is 16 times four, which is 64. So we&#x27;re ultimately finding the square root of 64 minus. I&#x27;ll just say that&#x27;s a score. It affords two. That&#x27;s because two times two is four in the square root of 64 is eight because eight times eight is 64 and eight minus two is six. So no, it is not equal to four.

Problem

Ethan said that the square of any pure imaginary …

Problem 1 Easy Difficulty

Pete said that $\sqrt{-2} \times \sqrt{-8}=\sqrt{16}=4 .$ Do you agree with Pete? Explain why or why not.

Answer

I do not agree with Pete.

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Ann Xavier Gantert

Algebra 2 and Trigonometry

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Absolute Value - Example 1

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I do not agree with Pete.

Algebra 2 and Trigonometry

Kayleah T.

Caleb E.

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Absolute Value - Example 1

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Ann Xavier GantertAlgebra 2 and Trigonometry

Kayleah T.

Caleb E.

Maria G.

Michael J.

Ann Xavier Gantert

Algebra 2 and Trigonometry