128 Answered Questions for the topic radicals

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

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.

03/19/18

#### Find the inverse of the one-to-one function. f(x) = √x + 8

Show all steps. The x+8 is in the radical.

Radicals

12/16/17

#### Question about using FOIL method

Problem: (3√3 + 3√27)(2√3-√27)
In my textbook it says to first put "like radicals together" so I started with setting up this problem as:
(3√3 + 2√3)(3√27-√27)
However, in the problem...
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11/14/17

#### a. For what values of x is the radical defined?

The rational equation dealing with springs mentioned in the beginning of this lesson is v= √ (k∕m x²) . The letters k and m represent constant values that reflect the composition of the spring and...
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11/13/17

#### state the restrictions on the variable. express each as an entire radical .... 4y²√3y 6n³√2n

.... need some help cant seem to figure it out
4y²√3y
6n³√2n

09/16/17

#### In a complex number would you put i in front of or after a radical? I've seen it written both ways and I'm very confused

imaginary numbers. complex numbers.radicals. order in a solution

Radicals

08/26/17

#### Index of a radical

Simlify by reducing the index of the radical: 6 as the index √y^3

#### Simplifying Radicals?

For some reason I just couldn't remember anything that my teacher explained today in class. So now I'm just looking at my homework and apparently I need to simplify these for a final answer,...
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Radicals

06/22/17

#### If √5 =2.236 and √3 =1.736 ,find the value of [{2/(√5+√3)}{7/(√5-√3)}]

If √5 =2.236 and √3 =1.736 ,find the value of [{2/(√5+√3)}{7/(√5-√3)}]

Radicals

05/01/17

#### 4 - ^3sqrt(4+12x) = 0

Would like a step by step for this problem. It is just a practice problem and I need an example.

Radicals

04/23/17

#### The problem says write the sum of solutions of 3√2-x = x-4 and I don't know how to write the sum of the solutions?

Just really need to know how to write the answer using sum of solutions

Radicals

04/20/17

#### State restrictions in the variable

1.√x+3
2.√2x-1
3. 3√4-x
4. 7x^2
------
√x-2
help please x

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 ?

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