# Algebra2

posted by .

How do I solve this rational exponent equation?

(2x)^1/2 = x - 4

• Algebra2 -

Square both side first
2x)^1/2^2=(x-4)^2
2x=x^2-8x+16
subtract 2x from both sides
x^2-10x+16
now FOIL
(x-8)(x-2)

## Similar Questions

1. ### Calculus

I am unsure of how to take the derivative of this equation. It may be the exponents that are giving me trouble but I'm not sure exactly. Find the equation of the tangent line to the curve 4e^xy = 2x + y at point (0,4). On the left …
2. ### Algebra

How do you simplify the following and please show all work. (-3x(-4 exponent)y(3 exponent) ______________________________ (2x(5 exponet) y(-2 exponent) then the whole equation is in ()with a -2 exponent
3. ### Math

Use your knowledge of exponents to solve. a) 1/2^x=1/(x+2) b) 1/2^x>1/x^2 So I know that these functions are rational functions.. and I am trying to solve for x. I tried to solve them by I keep getting stuck with the exponent 2 …
4. ### math-rational equations

how do I solve 5/x-3+3/x+3=7x/x^2-9 please explain in detail, I am having trouble once I get to the part where I need to simplify. I have so far the LCD is x^2-9 then the equation changes to (x^2-9) 5/x-3+(x^2-9) 3/x+3=(x^2-9) 7x/x^2-9 …
5. ### MATH

I'm having a hard time understanding Rational exponents Simplify if possible 1.(-8)1/3 **note 1/3 is the exponent 2. -49 5/2 ***note 5/2 is the exponent
6. ### Pre calculus

How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the
7. ### indian ridian ridge

Simplify the given expression to rational exponent form and justify each step by identifying the properties of rational exponents used. All work must be shown. 1/cubed root of x to -6 exponent
8. ### Math

Please solve y=3x2 the 2 represents the exponent, because I don't know how to place the exponent in the equation.
9. ### MATH

Use a property of rational exponent to simplify this equation (C^6) ^7
10. ### Alegbra 2

Use the rational root theorem to list all possible rational roots for the equation. X^3+2x-9=0. Use the rational root theorem to list all possible rational roots for the equation. 3X^3+9x-6=0. A polynomial function P(x) with rational …

More Similar Questions