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

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 Algebra: Complex Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 160311: please help me! 1-i square root of 2 / 1 + i square root of 2 i know you have to multiply the top and bottom by the 1 - i square root 2 but I can't figure out how to solve it. thanks ! Click here to see answer by Alan3354(30993)

 Question 160310: 2-i / 3-4i ,2-i/3-4i*3+4i/3+4i, 6+8i_3i_4i^2/15 ,10+5i/15 ,5(2+i)/5(3), 2/3 + 1/3i Click here to see answer by himakamel(1)

 Question 161316: perform the indicated operation and write the result in standard form: (-2+5i)squared Click here to see answer by stanbon(57323)

 Question 161326: can i have the correct answers on this problems as soon as possible plz.. tnx 1+2 over x divided by 7 over x a over b divided by a- 5a over b x-5 over x divided by 2-1 over x x over 2- 2 over x divided by 1- 2 over x 5 over n+1 - 1 over 2 divided by n+3 Click here to see answer by Edwin McCravy(8908)

 Question 162424: f two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? A. 50 miles B. 100 miles C. 500 miles D. 700 miles E. 1,000 miles I know the answer is C; but, how do I get to the answer Click here to see answer by stanbon(57323)

 Question 162465: This is from a worksheet. I think I have the right answer, but am not sure. FIND THE VALUE OF THE DISCRIMINANT FOR 9X^2+1=6X. tHEN DESCRIBE THE NUMBER AND TYPE OF ROOTS FOR THE EQUATION. First i changed it to 9x^2-6x+1=0 a=9 b=-6 c=1 b^2-4ac=(-6)^2-4*(9)*(1) =36-36 =0 One rational root. Did i do this right? Thanks Yes you are correct, there will be one rational root with multiplicity 2 (I am not sure if you have learned about multiplicity yet) Click here to see answer by eperette(173)

 Question 162610: sqrt of (-50) minus sqrt of (-8) could you please explain step by step Click here to see answer by stanbon(57323)

 Question 162566: Classify the 15 given polynomials as monomials, binomials, trinomials, and polynomials. Use the format given below for categorizing the polynomials. a. b. c. d. e. f. g. h. i. j. k. l. m. n. o. Click here to see answer by Edwin McCravy(8908)

 Question 162523: Write the expression as a complex number in standard form: six minus i square roots of 2 divided by six plus i square roots of 2 Click here to see answer by ankor@dixie-net.com(15649)

 Question 162989: express the product of 4-3i and its conjugate in simplest terms Click here to see answer by jim_thompson5910(28593)

 Question 163225: I'm a sophomore currently studying for the SAT. I was wondering first, are complex numbers on the SAT? Also, does "i" always equal the square root of 1? Or is "i" considered a variable? Thank You. Click here to see answer by checkley77(12569)

 Question 163386: What is the simplest form of the expression? √12 * √18 Click here to see answer by checkley77(12569)

 Question 163385: What is the simplest form of the expression? √162 Click here to see answer by checkley77(12569)

 Question 163521: if a=23, b=x², c=x, d=14, and 2b-3c+d=a, what is the value of x? Click here to see answer by KnightOwlTutor(293)

 Question 163548: 12x2 + 20X + 3 ______________ 6x2 -5x -1 Click here to see answer by checkley77(12569)