SOLUTION: Please HELP me with the following questions. I have answered almost all of them but left some blank. PLEASE let me know which ones are incorrect/correct and answer the one's I coul

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Question 550542: Please HELP me with the following questions. I have answered almost all of them but left some blank. PLEASE let me know which ones are incorrect/correct and answer the one's I couldn't answer. PLEASE & THANK YOU!!!
Rational Exponents," Section 7.1, pgs 358-360, #s 2, 4, 6, 34, 46
2. (3Xy^-2)/(x^3)^2 = 9/x^4y^4
4.(-a^2b)/(2b^-1)^3 = -a^6b^6/8
6. (4X)/(y3)^-3 = y9/64x^3
34. 16 ^3/4 =8
46. 11^(1/3).11^3=
Simplifying, Adding, and Subtracting Radicals," Section 7.3, pgs 372-373, #s 2, 4, 32, 36, 52
2. √12 = √2/3
4. √75 = 5√3
32. 3√13+7√13 = 10√13
36. √90-√10= 2√10
52. √75a^ 3 +a√12a =7a √3a
Multiplying and Dividing Radicals," Section 7.4, pgs 381-383, #s 4, 6, 20, 38, 46, 56
4. (-7√3)(-4√(10) = 28√30
6. (-5√6)(2√3) = 6√3
20.( √5+4)( √5-1) =1+ 3√5
38. √(16)/(36) = 1/9
46. 5/√7 = 5√7/7
56. y/√7+√3 = y(√7-√3)/4
Radical Equations," Section 7.5, pgs 389-390, #s 2, 4, 8, 20
2. Why do we have to check the solutions when we solve radical equations?
4. √5X-4=6 =X=20
8. √y+10=y-2 = y16
20. √5x^2-3X=2X = X=0
The Quadratic Formula and Solutions to Quadratic Equations," Section 8.2, pgs 433-435, #s 2, 4, 6, 8, 14
2. The discriminant in the quadratic formula is the expression
4. If the discriminant in the quadratic formula is a perfect square, then the quadratic equation will have __________________solution.
6.x^2-3X-1=0
8. 4X^2+x-1 = 0
14. 6x^2-2X -1 = 0

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