# Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 495764: I am having problems trying to figure this particular problem out. Tickets=-0.2x^2+15x+219 Click here to see answer by josmiceli(9697)

 Question 496038: How do I factor the following equation using perfect square trinomial? : Click here to see answer by Alan3354(30993)

 Question 496918: Hello. Can you please tell me what x ^5 divided by 3 x^2 is? Is it 1/3 x^3? thank you Click here to see answer by Alan3354(30993)

 Question 497061: I really need help with this as fast as possible thanks alot! What are all the possible rational zeros for f(x) = x3 + 8x + 6? ±1, ±6 ±1, ±2, ±6 ±1, ±2, ±3, ±6 ±1, ±2, ±3, ±6, ±12 What are all the possible rational zeros for f(x) = 6x3 + 6x2 – 15x – 2? ±1, ±2, ±1/2, ±1/3, ±2/3, ±1/6 ±1, ±2, ±1/3, ±2/3 ±1, ±2, ±3 ±1, ±2, ±3, ±6 Identify all the rational zeros for f(x) = x3 + 4x2 – 3x – 18. 1, –3, –6 –1, 2, –9 2, –3, –3 –1, –3, 6 Identify all the rational zeros for f(x) = x3 – x2 – 8x + 12. 2, 2, –3 2, –2, 3 –1, 3, 4 1, –3, 4 Identify all the rational zeros for f(x) = x3 + 4x2 – 2x + 15. 1 3 –5 1, 3, –5 How many positive real zeros does the function f(x) = x4 + x3 – 7x – 1 have? 3 or 1 1 2 or 0 0 How many negative real zeros does the function f(x) = x5 + x4 – x2 – x + 1 have? 4, 2, or 0 3 2 or 0 3 or 1 How many imaginary zeros does the function f(x) = 3x4 + 2x3 + 4x + 7 have? 0 2 or 0 4 or 2 4, 2, or 0 Identify the real zeros for the function f(x) = x3 – 3x2 – 53x – 9. 1, –3, –3 –1, 1, 9 Identify the real zeros to the nearest tenth for the function f(x) = x3 – 6x – 9. 3.0 –0.6, 1.4 .8, 2.0 –1.2, .4, 3.0 Identify all zeros for the function f(x) = x3 – 6x2 + 10x – 8. 1, 2, 4 2, 2, 4 4, 1 + i, 1 – i 4, 2 + i, 2 – i Click here to see answer by solver91311(16897)

 Question 497313: can you please help me solve this polynomial equation (x^3+8) by factoring and using the principle of zero products? i've been having a lot of problems with this one and its confusing me. thank you in advance Click here to see answer by stanbon(57410)
 Question 497313: can you please help me solve this polynomial equation (x^3+8) by factoring and using the principle of zero products? i've been having a lot of problems with this one and its confusing me. thank you in advance Click here to see answer by Earlsdon(6287)

 Question 497404: Essay. List the terms, coefficients, and degree of the following polynomial: 3x3 – 2x2 – x + Click here to see answer by richard1234(5390)

 Question 497736: 1. Short Answer. State the degree of the given polynomial: -6x^6 + 5x^5 + 9x^3 – 2 I need help with this problem please. Click here to see answer by Alan3354(30993)

 Question 497803: If f(x)=ax^2+bx+c and f(x+3)=x^2+7x+4 , what is a,b,c Click here to see answer by Gogonati(809)

 Question 498218: If alpha and beta are the zeroes of the polynomial x^2-6x+a then find the value of a. Click here to see answer by richard1234(5390)

 Question 498235: How do you find a grouping of symbols to make a problem true such as 48-12/4+-7=-12? Click here to see answer by nerdybill(6963)

 Question 498182: 1/r + 2/(1- r) = 4/r^2 ; solve for r Click here to see answer by MathLover1(6641)

 Question 498558: 3. Choose the best response to describe the polynomial: 6x^3 – x^2 + 4x – 2 Which one? (A)It has a constant number 2. (B)It is a trinomial. C)It is of degree 3. (D) It has 6 terms. please help. This is my last problem please help!! Click here to see answer by stanbon(57410)
 Question 498558: 3. Choose the best response to describe the polynomial: 6x^3 – x^2 + 4x – 2 Which one? (A)It has a constant number 2. (B)It is a trinomial. C)It is of degree 3. (D) It has 6 terms. please help. This is my last problem please help!! Click here to see answer by solver91311(16897)

 Question 498796: How do I solve C = 6,000/200 - 2x x=75% Click here to see answer by Theo(3466)

 Question 498968: Factor by grouping: 24c^3 + 116c^2 - 168c. Here is what I have done so far: The equation is in the correct order and the GCF of all 3 numbers is 4c so I get: 4c(6c^2 + 29c - 42) Now this is where I'm stuck... 6c^2 + 29c - 42 = (3c + __)(2c - __) Now I use the F.O.I.L method to check my problem and it won't equal: 3c * 2c = 6c^2 -7 * 6 = -42 but the rest won't give me the 29c, it gives me 4c. So I think I missed something and can't figure it out! Think I missed something in the beginning but really feel I didn't???? Please Help! Thank you! Click here to see answer by chessace(471)

 Question 499051: My car give 28 miles to the gallon and the cost of gas is \$3.65 a gallon and my car has a 15 gallon gas tank. I drive 24 miles round trip each day to work. How much gas to I use traveling to work in 5 days. Click here to see answer by Theo(3466)