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
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! The guidelines for algebra.com say that you should only put one question per post. You should review your textbook, or hire one of our private tutors here on algebra.com.
|
|
|
