127 Answered Questions for the topic Square Roots

Square Roots

12/03/17

Please explain how to get the sqaure root of this number without a calculator? square root of 256

Square root

How to convert 15.4 square yard to square meter? Rounding to nearest 3 decimals.

Please help! I need a breakdown of how to convert 15.4 square yard to square meter WITHOUT a converter, using a calculator is fine, but is there any number that can help me make these conversions... more
Square Roots

10/28/17

Let x=square root 6 + square root 7. What two consecutive integers does x lie between?

I really need help. I used a calculator and found that the answer is 5 and 6 but I don't know how to get there. I have no idea how to add square root 6 and 7. Pls, can you answer in words on how it... more
Square Roots

10/28/17

Let x=square root 6 + square root 7. What two consecutive integers does x lie between?

Can you pls explain in words, how you got the answer. I know that the answer is 5 and 6 by using the calculator, but I don't know how to do square root 6 plus square root 7. Pls, help. 

10/27/17

what is the significance between cos(45) being equal to sqrt(0.5)

I was messing with a calculator and found that the square root of 0.5 is equal to the sine and cosine of 45. I was just wondering the correlation between the two equations.
Square Roots

10/22/17

why is i the square root of -1

i understand that mathematicians use 'i' to simplify 'the square root of -1'. Why is that?
Square Roots

09/28/17

square route of 300

What is the square route of 300?
Square Roots Algebra

07/31/17

that there be at least 9 square feet of floor space in a college classroom for every student in the class. Find the minimum floor space that 33 students require

9 square feet required per student. How much space is required for 33 students?
Square Roots

07/24/17

find the first perfect square number greater than 100 whose digitd do not sum to a perfect square

first perfect square of 100 that doesn't sum to a perfect sguare  

NEED HELP WITH SIMPLE ALGEBRA 1 PROBLEM!

The square of a number (x^2), decreased by 6, is equal to 18 decreased by 5 times the number.   The numbers are _______ and _________.

07/13/17

How to solve this quadratic equation with the quadratic formula?

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 sure what to do next, help?

How to solve this quadratic equation with the quadratic formula?

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 sure what to do next, help?

07/12/17

Need help with solving quadratics with square roots

I need help with these, if someone could explain them step-by-step, I would really appreciate it :) 1. 3x² - 48 = 02. x² = 363. p² - 50 = 0
Square Roots Prealgebra

05/10/17

Approximating and Square Roots HELP (Question in description)

You stand on a bridge and drop a pebble into the water below from a height of 75 feet. You can use the expression square root of 75/16 to find the time in seconds that it takes the pebble to hit... more
Square Roots Simplify

04/27/17

simplify roots that are being divided

how does sqrt(12)/2 simplify to sqrt(3)   I asked a more complicated question about finding zero's of quadratic functions and the answer I received included sqrt(12)/2 which the person who... more
Square Roots

04/20/17

Quotient Property of Square Roots

3/2- sq root of 3
Square Roots Math Radicals

04/19/17

Use radical notation to write the expression. Simplify if possible. Assume that all variables represent nonnegative quantities.

(9x^4) ^ 1/2    is this not 3x^2?   because ^2(√9x^4)^1                   3x^2 ?

03/10/17

y = f(x) = √ x the line tangent to f(x) is at the point (4, 2). Find the equation of the tangent line.

According to the answer key, the equation is 1/4x+1  but I don't understand where the 1/4 is coming from. I thought the antiderivative of rootx would be (x^(3/2))/(3/2) which is ultimately x^(1/2).... more

02/15/17

What happend to the two?

√(2+e2t+e-2t)=et+e-t    What happend to the √2?

Rationalize the denominator

Rationalize the denominator and simplify if necessary. keep as a simple fraction sqrt49r+3/6-8sqrtr
Square Roots Algebra 1 Fractions

12/04/16

Simplify the square root of a fraction

I am supposed to simplify √(48/147). The answer is 4/7, but I'm not sure why. It seems like this would be the same as  (√48)/(√147), but that answer does not seem to be 4/7. Can you please show me... more
Square Roots Imaginary Numbers

11/10/16

Imaginary number problem

Is 3i the fifth root of -243i? Justify please. 
Square Roots

10/04/16

(v(3)-v(5) multiplied by (4v(3) -2v(5)

simplify the expression. assume x and y represent nonegative real numbers
Square Roots

10/04/16

4(v(x+5) +5)^2

perform indicated operations and simplify
Square Roots

10/04/16

5 /(v7) -2

rationalize the denominator and simplify  

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