118 Answered Questions for the topic radicals

Rationalize the denominator (√2+√5)/(√3-√7).

Rationalize the denominator (√2+√5)/(√3-√7).I got this as the answer, - (√2+√5)(√3+√7)/(4). Is this correct or do I have to multiply it using the foil method and get this? -(√6+√14+√15+√35))/(4).... more

Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

09/30/19

Help me simplify these radical expressions

2√-4 + √ -9and √ -36 ⋅ √-81

05/23/19

√(-3) × √(-3) = -3 why not 3

√(-3) × √(-3) = -3or√(-3) × √(-3) = √(-3×-3)=√9=3

03/16/19

Why is mercury a "fancy proton"?

I remember that one of my old organic chemistry profs referred to mercury as being a "fancy proton". I think it was in the context of oxymercuration reduction. What might have been his rationale... more

03/13/19

please help me figure this with steps:

03/09/19

Divide the complex numbers. Write the answer in the form a + bi.   

Divide the complex numbers. Write the answer in the form a + bi.           A.    B.    C.    D. 

09/11/18

How do you write a surd as an exponential with a different base? How do you get from √128 to 2^(7/2)?

Hello!  The question in my textbook asks me to find m when √128 = 2^m   I used an app to solve the question and writing “√128 as an exponential with a base of 2“ was one of the steps Please... more

06/14/18

A baseball diamond is in the shape of a square. The distance from home plate to first base is 27.6 m. What is the distance from home plate to 2nd base?

I looked in the answer key and it said it was 39.03m and I am really confused. 

06/03/18

Can you explain to me, in the simplest terms possible, how to solve 3√8 - √18 + 3√72 - √75?

Explain this to me how you'd explain it to a five-year-old who isn't quite a prodigy but isn't completely mentally deficient, either. It'd be greatly appreciated.

05/14/18

What is the solution to √5q^3 * √10q^2

√5q3 * √10q2

05/12/18

What is the solution x^2y√xy^5

x2y√xy5   A.)x2√xy7 B.)√x5y7 C.)x4y6√xyD.)x2y3√xy

05/09/18

Simplify radical ^3√-27...?

3√-27   A.) 9 B.)-3 C.)5 D.)±3

05/07/18

Find the square root of √96x2y?

√96x2y   A.)4xy√6 B.)4x2√6y C.)4xy2√6 D.)4x√6y

05/03/18

System Of equations read the description

y = √x + 7 + 2 y = √ 3 - x Note x + 7 is under the square root symbol Note 3 - x is under the square root symbol  PLEASE HELP

05/03/18

systems of equations

y = x + 8 y = - 12/x Need help with this problem. The solution of this system of equations

05/03/18

√3x + 1 - 3 = 7 How is this solved?

Note 3x + 1 are the only numbers inside the square root I don't understand i really need the help

05/03/18

(1 - √5)(2 - √5) Simplified

√ = square root symbol  also I am not entirley sure how to simplify this  could use the help

05/03/18

9√3 +2√3 Simplified

√ = square root symbol

04/28/18

square root of 8 over the square root of 3+1

√8 — √3+1    

04/28/18

what is the √8/√3+1 *best way i can write it*

i need to solve the square root of 8 over the square root of 3 plus 1.
1 3 4 5

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