# Questions on Algebra: Complex Numbers answered by real tutors!

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 Algebra: Complex Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 641892: A)i need to find f(4) in this equation: f(4)= 1/x-2 B)I need to find f(1) in this equation: f(1)= 1/x-2 Click here to see answer by solver91311(17077)

 Question 641898: What is (3i)^4 + 1 in standard form a+bi Click here to see answer by jim_thompson5910(28715)

 Question 641905: What is (3i)^4 + 1 in standard form a+bi Click here to see answer by DrBeeee(393)

 Question 642425: How do you solve 1/2 (m - 4)= 14 Click here to see answer by jim_thompson5910(28715)

 Question 642901: express ( -1 + root(3)i)^10 in a+bi form Click here to see answer by Alan3354(31519)

 Question 642947: find the shortest distance from point P(2,-5,-2) to the line (l) = { x=4+2t y=-4-3t z=5+4t } Click here to see answer by Edwin McCravy(8999)

 Question 643275: I don't understand how to solve this question: At McDonald's, you can order McNuggets in boxes containing 6, 9, or 20 pieces. By ordering two boxes of 6, you can get 12 McNuggets. However you cannot order exactly 12, since no combination of 6, 9, and 20 adds up to 13. What is the greatest # of McNuggets that you CANNOT order? Include a clear explanation of how you solved the problem. Be prepared to defend your response. Click here to see answer by KMST(1936)

 Question 643502: Need help trying to find real solutions of this equation x^9 = 125x^6 Click here to see answer by josmiceli(9817)

 Question 644159: write the sum or difference in the standard form a+bi and the problem is: (3+7i)-(-7+i) Click here to see answer by lynnlo(4169)

 Question 644393: I nees to find the smplified term of Sqrt(-7)/sqrt(63) Click here to see answer by ankor@dixie-net.com(15746)

 Question 645050: 81x^4 = (x − 2)^4 I know 81 can be simplified to 3^4, so I'm at (3x)^4 = (x-2)^4 Where do I go from here? Click here to see answer by MathTherapy(1483)

 Question 645048: 4x^3 − 20x^2 − 25x + 125 = 0 I started out by trying to factor out an x. So I'm at x(4x^2 - 20x - 25) +125 = 0 Where do i go from here? Click here to see answer by kekegeter (57)

 Question 646884: i have alot of algebra 2 like slope questions and i dont get them what do i do? Click here to see answer by ankor@dixie-net.com(15746)

 Question 648908: The quotient of a number and 2 plus 8 is fewer than 6 Click here to see answer by ewatrrr(10682)

 Question 649731: what is (3 sqrt(20)) + (2 sqrt(5)) in simplest form? Not solved, but in simplest form? Click here to see answer by fcabanski(889)

 Question 652351: square root of -15 multiplied by square root of -3 divided by square root of 5 Click here to see answer by Shana-D77(122)

 Question 652385: If gloria recieved a 12 percent raise and is now making \$24.640 a year, what was her salary before the raise? Round to the nearest dollar if necessary. Click here to see answer by rfer(12730)