# Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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 Question 614929: Explain the difference between rationalizing the denominator in a algebraic expression whose denominator has only one term involving a radical and one whose denominator has two terms, at least one of which involves a radical? Click here to see answer by Theo(3555)

 Question 615040: Find the equation for the circle with a diameter whose endpoints are (4,-1) and (2,4) Click here to see answer by lwsshak3(7677)

 Question 615095: on a map of a stae park, the distance between the cave entrance and the observation tower is 4 inches = 80 yards, what is the actual distance between the cave entrance and tower. please show work on how u got your answer. Click here to see answer by Alan3354(34674)

 Question 615569: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents. (-27x^0y^-2/54x^-5y^-4)^-2 Click here to see answer by jsmallt9(3437)

 Question 616442: please! help me with this => Simplify Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this. 1976 sqrt sign then (2a + b)^1976 Click here to see answer by jsmallt9(3437)

 Question 616529: can (root3 minus root2) and (minus root 3 plus root two) both be the conjugates of minus root 2 minus root3 ? Click here to see answer by jsmallt9(3437)

 Question 616667: If a boat travels downstream a 8km river in 1/3 hour, and comes up stream in 1/2 hour, what is the rate in still water? Click here to see answer by Alan3354(34674)

 Question 617209: I think I need help to make sure I am doing this right. It says to solve: 2x^2 + 5 = 105 I subtracted 5 from each side for 2x^2 = 100 Divided by 2 on each side for x^2 = 50 I think I can use the principle of square roots here to arrive at x = square root (50) I further break down the square root (50) to square root (25) X square root (2) My final answer then becomes 5 square root (2) Am I anywhere close? Click here to see answer by Edwin McCravy(9716)

 Question 617187: What is the value of "x" in the equation 1/3(27x+18)=12+6(x-4) Click here to see answer by unlockmath(1657)

 Question 617483: Can you help me on the problem "sqrZ -10 = 16"? Click here to see answer by Alan3354(34674)

 Question 618114: 5+ROOT(a+7)=a or 5+√(a + 7)=a please show all your work, and here is what i did 5+√(a + 7)=a 5=√(a + 7)+a 25=a+7+2a 25=2a+a+7 2a+a-18 but thats wrong, where did i make a mistake and please work out this problem thank you Click here to see answer by ewatrrr(11148)

 Question 618228: Please check my work Solve: √(n + 6)-√n=√6 √(n+6)= √6+√n N+6=6+n so is this a NO SOLUTION question as 0 = 0? Thank you in advance for your help Click here to see answer by Alan3354(34674)

 Question 618241: Hello, I wondering if i did this question right, thank you for your help. (√7 - √2)^2 (√7 - √2)+(√7 - √2)=0 (√7 - √2)=(√7 - √2) 7-2=(7-2)^2 7-2=49-14-14+4 7-2=49-28+4 5=25 20 Click here to see answer by josmiceli(10616)

 Question 618744: Hello my name is Lauren Blue and I am trying to study for my final on Wednesday June 13th, 2012 and I am having trouble with the Multiplying and Dividing Radical Expressions. THe question I am stuck on is (4 multiplied by the square root of x) multiplied by (-2 multiplied by the square root of x). Click here to see answer by richwmiller(10275)

 Question 618751: hello my question is 3 multiplied by the sqare root of 3(square root of 27-1) Click here to see answer by Alan3354(34674)

 Question 619629: Hi there, I am trying to find an example for the folowing equation: sqrt( a^2+b^2)≠a+b Your help is greatly appreciated. Joanna Click here to see answer by jim_thompson5910(29613)

 Question 619828: why does 3 minus 5 minus 6 multiply by 8 equals minus 50 Click here to see answer by ewatrrr(11148)

 Question 619827: why does 3 minus 5 minus 6 multiply by 8 equals minus 50 Click here to see answer by ewatrrr(11148)