# Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!

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 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

 Question 48054: determine the numbers for which the following expression is undefined x+2/X^2-49 Click here to see answer by stanbon(57250)

 Question 48107: classify the given numbers as real and rational, real and irrational, or complex. (80)1/5 16)1/4 1/9 π i2 Click here to see answer by tutorcecilia(2152)

 Question 48333: My problem is this: Given the numbers 4, -7, 3/4, pie, -0.2, list those that are rational. I'm assuming they are all rational except for pie. As 4 can be written as 4/1 etc. thanks. Click here to see answer by tutorcecilia(2152)

 Question 48319: In ratios, how would you represent the following: 4 minutes to 1 hour and 125 hits to 500 times at bat Click here to see answer by venugopalramana(3286)
 Question 48319: In ratios, how would you represent the following: 4 minutes to 1 hour and 125 hits to 500 times at bat Click here to see answer by stanbon(57250)

 Question 48490: 4x^2-4x+1=0 I need to calculate the discriminant and how many real solution it has. Click here to see answer by atif.muhammad(135)

 Question 48489: 4x^2-6x=4 My question is to calculate the discriminant and state how many real solutions it has. Click here to see answer by josmiceli(9661)

 Question 48581: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. 2x^2 + x - 1 = 0 4/3x^2 - 2x + 3/4 = 0 2x^2 + 5x + 5 = 0 3z^2 + z - 1 = 0 m^2 + m + 1 = 0 Click here to see answer by stanbon(57250)
 Question 48581: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. 2x^2 + x - 1 = 0 4/3x^2 - 2x + 3/4 = 0 2x^2 + 5x + 5 = 0 3z^2 + z - 1 = 0 m^2 + m + 1 = 0 Click here to see answer by AnlytcPhil(1276)

 Question 48773: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. m^2 + m + 1 = 0 Click here to see answer by Nate(3500)

 Question 48772: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. 3z^2 + z - 1 = 0 Click here to see answer by Nate(3500)

 Question 48771: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. 4/3x^2 - 2x + 3/4 = 0 and 2x^2 + 5x + 5 = 0 Click here to see answer by Nate(3500)

 Question 49209: k-4 E (looks like a backwards E)(1/2)^k k-1 Click here to see answer by jake_6233(74)

 Question 49229: In a Series of Spring Training Games, the Yankees scored 35 runs. The Dodgers and Tigers, respectively, tallied half and a third as many as the Reds. The Reds' scores were as much below the Yankees' as the Dodgers' were above the Tigers'. How many runs did each team score? Click here to see answer by mszlmb(115)

 Question 49961: need to know how to write words for these numbers 517236428 90807060 32000000652 3250009111 6040000 99019900 whatis standard notation (3x100,000+(4x1000)+(2x10) help please Click here to see answer by stanbon(57250)

 Question 50244: The textbook tells me to use inequality notation to describe the subset of real numbers. The price P of unleaded gasoline is not expected to go below \$1.30 per gallon during the coming year. How do you solve this problem? Click here to see answer by stanbon(57250)

 Question 50202: -2b over 7 divided by 7 over 9 Click here to see answer by tutorcecilia(2152)

 Question 50254: How can I solve this problem? 4c+3(2+c)=4c+6+3c =4c+3c+6 Click here to see answer by AnlytcPhil(1276)

 Question 50296: could you explain the difference between rational, irrational, integers, and real numbers..... i'm soooo confused. Click here to see answer by rapaljer(4667)

 Question 50541: How do I put -3-8 on a number line? Click here to see answer by Nate(3500)

 Question 50547: What is 9/7 + (-2 3/14)? I tried to work it out and I got -2 6/5. Then, I thought the answer was -2 6/7. I don't how to work out this equation. Can you break it down for me step by step? Click here to see answer by checkley71(8403)

 Question 50947: find the discriminant , and determine the number of real solutions. Then solve 3x^2+2x-6=0 Click here to see answer by AnlytcPhil(1276)

 Question 50995: I don't understand the difference between all the properties and how they work. like "every whole number is an integer, true or false, and like, every rational nimber is a integer, true or false," stuff like that. Click here to see answer by darq(90)

 Question 51255: its a continued fraction problem, i have to write it in p/q form, reduced to the lowest term and i have never done this type of problem before Click here to see answer by THANApHD(104)

 Question 52036: what set of numbers do: pi 0 -35 -31.8 belong to a piece? Click here to see answer by AnlytcPhil(1276)