(1) Simplify by taking roots of the numerator and the ...
(1) Simplify by taking roots of the numerator and the denominator.
[pic] = 8/5
(2) Multiply
[pic]
= -735
(3) The formula r = 2 square root 5L can be used approximate the speed r, im miles per hour of a car that has left skid mark of length L, in feet. How far will a car skid at 40mph?
= 80
(4) Divide then simply by taking roots if possible.
[pic] = 2
(5) Subtract, simplify by collecting like radicals too if possible
[pic]
= 3√3
(6) Solve
[pic]
= 35
(7) Use rational exponent to simplify
[pic]
1
x^7
(8) Simplify
[pic]
= -2
(9) Find the following: Assume that X can represent any real number. Use absolute value notation when necessary.
[pic]
7 |x|
(10) Use the laws of exponent to simplify.
[pic]
= 101/4
(11) Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers.
[pic]
= 2y^5 3rdroot 2
(12) Find the length of site a. in the right triangle if b = 12 and c = 15 (The triangle is not drawn to scale) a =
[pic]
A = 9
(13) Simplify
[pic]
= 125
(14) Simplify by factoring, assume that all expressions under radical represents nonnegative numbers
[pic]
2x^2 3rdroot 5x^2
(15) Subtract. Simplify by collecting like radical terms if possible assuming that all expressions under radicals represents nonnegative numbers.
[pic]
Not sure what you mean… retype this one.
(16) Solve.
[pic]
This is a 3rd root?
If so:
X = 122
(17) Use rational expression to write -------------- As a single radical expression
[pic]
20throot(81x^9)
(18) Multiply
[pic]
8√6 - 27√2
(19) Rewrite the rational exponent.
[pic]
(9x^6y)^7/5
(20) Add or subtract. Simplify by collecting like radicals terms, if possible
[pic]
= 8√6
(21) Television sets what does it means to refer to a 20 inch TV set? Such units refer to the diagonal of the screen. A 20 inch TV set also has a width of 16 inches what is the height 12 inches.
(22) Find the following…….Assume that the letters can represent any real numbers. [pic]
y
(23) Multiply and simplify. Assume that all expressions under the radical represents nonnegative numbers.
[pic]
7x^2 √2
(24) Multiply and simplify wherever possible.
[pic]
= -3
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