# Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

85,822 results, page 25
1. ## math - college algebra

If the rational function y = r(x) has the vertical asymptote x = 9, then as x →9+, either y → ____or _____
2. ## Math

Hello, I have two more rational exponent question that I wanted to verify please: 4x^3y^-2 _________ 2x^-1y^4 = 2x^4y^6 is this correct? 2nd question: [w^1 / w^-3] my answer: = [w^(1)(-4)/ w ^ (-3)(-4)] = w^-4 / w^12 = w^12 / w^4 = w^3 / w Is this right?
3. ## Algebra

How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions?
4. ## Math

How would you convince a fellow student that the number 0.57 is a rational number?

Using rational functions solve 7+ (1)/x = 1/(x-2)
6. ## ALGEBRA

How many ordered triples of complex numbers(a,b,c) are there such that a^3-b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
7. ## ALGEBRA

How many ordered triples of complex numbers(a,b,c) are there such that a^3-b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
8. ## algebra1

simplify the following rational expression: 4(x+2)^8 (x-3)^6 __________________ 20(x+2)^2 (x-3)^12 note:the expression is all together.sorry for how it looks.
9. ## pre algebra

is 0 a whole number, integer, rational, and real number?
10. ## Algebra

If a number is not a rational number then it is a? 1.an integer 2.an irrational # 3.a whole # 4.a radical
11. ## algebra

Please simplify this rational expression x^2-6x-27 multiplied by x^2 +8x+16 over x^2-18x-81 multiplied by x^2+ 7x+12
12. ## advance functions gr12 HELP ASAP

using rational functions solve (x+5)/(x-3)= (2x+7)/(x) thank you
13. ## math

How many ordered triples of complex numbers(a,b,c) are there such that a^3- b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
14. ## math

How many ordered triples of complex numbers(a,b,c) are there such that a^3- b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
15. ## math

Multiplying and Dividing Rational Expressions: 1. 2x^4/x^5 times 6x/x^3 times x/4= 3/x^2
16. ## Algebra2

Can someone check my answer for me. List all the possible rational zeros of f(x)= 3x^5-7x^3+2x-15 p=15 1,3,5,15 q=3 1,3 answer: 1,3,5,15,1/3,1/5,3/5
17. ## math

Multiplying and Dividing Rational Expressions: 1. 2x^4/x^5 times 6x/x^3 times x/4= 3/x^2
18. ## Math

How is solving a rational equation different from solving linear equations like 3x+5=7x-2?
19. ## Algebra

A number can be rational and irrational true or false False
20. ## algebra

How would you explain how the laws of exponents work with rational exponents?
21. ## math

Order each set of rational numbers from least to greatest: -4.5, -4 6/10 and -4.06 I'm not sure how to order these

A rational number is ____ a real number. a. always b. never c. sometimes its always ???????
23. ## Math

List all of the possible rational zeros of f(x)= 3x^5 - 7x^3 + 2x - 15. p= factor of 15 q= factor of 3 1,3,5,15 1,3 answer is 1,3,5,15,1/3,1,5/3,5
24. ## math

is 2/11 a rational number? if yes pls explain and if not alsopls explain
25. ## math

is it true that you only have to check your solution in a rational equation if the solution is 0?
26. ## Algebra HELP

Is there any difference between multiplying fractions and multiplying rational functions? What is it?
27. ## advance functions gr12 HELP ASAP

Using rational functions solve 7+ (1)/x = 1/(x-2) thank you

-PLEASE INCLUDE SOLUTIONS AND EXPLAIN HOW YOU DID IT PLEASE. *CHALLENGE. 1.SIMPLIFY : SQUARE ROOT OF 16^8+8^4/16^2+16^7 2.EXPRESS 1 + 1/1+SQUARE ROOT OF 2 - 1/1-SQUARE ROOT OF 2 IN THE FORM A+B SQUARE ROOT OF 2, WHERE A AND BARE RATIONAL NUMBERS. FIND A +

30. ## Solving Rational Equations

To attend a family reunion, Beth drives 100 mi from Fresno and Clara drives 220 mi from San Jose. Both women drive the same speed in miles per hour, but Clara's drive takes 2 hours longer than Beth's. Find the length of Beth's drive. a. 1 hour. b. 2.2
31. ## Algebra

Produce a third degree polynomial that has exactly the roots -3 and 5 with y-intercept 1350. I understand I could start with (x+3)(x-5)^2, but i don't know how to get the y-intercept 1350 with the same conditions. Please help. thank you.
32. ## prefixes,suffixes,roots

do i type in the root word for example [agr] in the search bar and then the word that start with the 3 same letters in the word is the word i use to look up
33. ## Math

(10 Squar root -13)(-5 square root -5) put in standard form a+bi I really don't understand square roots so can you show me how to do these please
34. ## Math

Produce a third degree polynomial that has exactly the roots -3 and 5 with y-intercept 1350. I understand I could start with (x+3)(x-5)^2, but i don't know how to get the y-intercept 1350 with the same conditions. Please help. thank you.
35. ## science

Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions concerning chemical fertilizers must a gardener take?
36. ## science

Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions concerning chemical fertilizers must a gardener take?
37. ## Math

Jorge is trying to learn all of the perfect squares. This knowledge will help him estimate square roots that are not perfect. Between which two whole numbers is the square root of 76? Answer : 7 and 9
38. ## math

Write each of the following square roots in the form a√b, where a and b are integers, b > 0, and b has the least value possible: a) √180 b) √363 c) √252
39. ## Algebra 2

my roots are (1+isq.root2)(1-isq.root2) I then used long division: X^4-4X^3+4X^2-9/X^2-X-4 I got the answer X^2-8X+32 with a remander of 119. Where did I go wrong?
40. ## rational expressions

1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)
41. ## Simplifying Rational Expressions

Can someone slove these for me 1.(4x-12)/4x 2.(d+7)/(d^2-49 ) 3.(t^2-25)/(t^2+t-20) 4.(2x^2+6x+4)/(4x^2-12x-16) 5.(6-y)/*y^2-2y-24) all you have to do is reduce like #1 4x-12 ______ 4x cross out the 4x b/c it's on the top and bottom which leaves just -12
42. ## algebra

Solve the question for both the exact irrational root and its rational approximation to the nearest tenth. sqrt 2 over 3 s + 1 = sqrt 23 q=
43. ## algebra

how to multply and divide rational expressons is their a free website i can go on that will show it step by step and give me an answer???
44. ## Algebra

Hi I am in need of help, please... The question says to perform the indicated operation. x^2+2x-3/x^2-9 Divided By x^2-1/x^3-27 I put divided by in the middle to show that it is dividing two rational expressions.
45. ## Math

When Multiplying Rational Numbers You Count The Numbers Of Decimal Place Values In The Fact. True Or False
46. ## College Algebra

Use rational root theorem and the factor theorem to help solve the following equation X4-2x3-13x2+38x-24=0
47. ## Algebra-Can't solve!

21 OVER X squared MINUS 6x is equal to 1 OVER x(x-6)(x+5). I have to rewrite the ration expression as an equivalent rational expression with the given denominator.
48. ## ration equation mind jumbler

What is an example of a rational equation where the solution makes the denominator equal to zero and are extraneous solutions?
49. ## algebra

Solve the question for both the exact irrational root and its rational approximation to the nearest tenth 3h + sqrt 2 = sqrt 5
50. ## physics

A metal container, which has a mass of 9.4 kg contains 14.2 kg of water. A 1.7-kg piece of the same metal, initially at a temperature of 160.0°C, is dropped into the water. The container and the water initially have a temperature of 15.0°C and the final
51. ## Algebra

Factor quadratic expressions: 2x^2 + 9x + 4 10x^2 + 70x + 100 Solve quadratic equations by factoring: 2x^2 + 9x + 4 = 0 Solve by taking square roots: (x - 5)^2 - 81 = 0
52. ## rational expressions and equations

A carpenter is assigned the job of expanding a rectangular deck where the width is one-fourth the length. The length of the deck is to be expanded by 6 feet, and the width by 2 feet. If the area of the new rectangular deck is 68 ft2 larger than the area of
53. ## Algebra

Three roots of f(x)=x^4-2x^3 +ax^2 +bx+c are −5 , −3 and 4 . What is the value of a+b+c ?
54. ## english

1. The element of argumentation that deals with the listeners desire to trust and believe in the speaker is called a. ethos b. pathos c. logos d. mythos One element of argumentation involves an appeal to the logical and rational side of human beings. This
55. ## calculus

Solve the equation by extracting square roots. List both the exact solutions and decimal solutions rounded to the nearest hundredth. (x-7)squared = (x+3)squared

Write the polynomial in simplest form with roots 4, 5i and -5i(multiply it out so no parentheses remain (x-4)(x+5i)(x-5i)(NOT SURE ABOUT THIS ONE) (x-4)(x^2-25i^22) (x-4)(x^2+25) x^3+25x-4x^2-100 x^3-4x^2+25x-100 Is this correct
57. ## math

1. 4x^2-13x=12 I need to solve this problem by factoring or using the quadtratic formula. I am stuck when using the quadtratic formula method. Please advise how to do this. 2. 5x^2+42=0 How many roots exist in this equation and what type are they?
58. ## physics

a simple pendulum is suspended from the roots of a carriage if the carriage starts moving with an acceleration a ,then in eqilibrium the pendulum makes an angle theta with the vertical given by
59. ## Social Studies

2. Which of the following would describe a hardship of early Georgia life? A. Disease from the alligators B. Cold and rainy weather C. clearing tree roots from the farm land D. bad relations with the creek indians I honestly don't know the answer at all
60. ## History

The roots of the Iranian hostage crisis resided in: 1. Jimmy Carter’s emphasis on human rights. 2.the Shah of Iran’s despotic regime. 3.economic inflation in the United States. 4. America’s isolationist stance in foreign affairs. I think it's either
61. ## English

what could be some reasons to why abstract language is used? One reason is that the concept that is being dealt with is abstract. They cannot be sensed directly as can apples, grasshoppers and bricks. Concepts like freedom, evil, beauty, truth and love are
62. ## Calculus

differentiate the given function, simplify your answer by leaving no negative or rational exponents. final answer should be in factored form where possible. y=(x^2 +2x)^3(x+2)
63. ## algebra

how is doing operations, adding, subtracting, multiplying and dividing with rational expressions similiar to or different from doing operations with fractions? When would this be used in real life?
64. ## math

factor this polynomial function completely f(x)=12x^4+10x^3-214x^2+198x+90 I found all the possible rational zeros but just cant seem to factor it all
65. ## pre-ap Algebra 2

write a polynomial function f of least degree that has the rational coefficients, a leading coefficient of 1, and the given zeros. Given zeros: -2,2,-1,3, sqrt 11
66. ## math

A.) write the rational expression as an equivalent expression whose denominator is the given polynomial. 1.) 6/7x^2y = ________/49x^3y^2 B.) perform the indicated operations, simplify if possible. 2.) x^2-3x-4/x^2-16 x x+4/3x-9
67. ## Algebra multiplying sq rt

I need to use rational exponents to write the answer to: the cube root of x times the 4 root of 7x. there is a rule when the numbers on the radicand are different, yes?
68. ## Pre Calculus

a. Identify the horizontal asymptotes of the function f(x)=x+6 / |x|+1 ( / = divided by/over) b. Make a summary of how you may sketch a graph of this rational function.
69. ## Algebra

I am trying to write this rational expression in its simplest form: 2-x+2x^2-x^3/x^2-4 However I have no idea how to factor the four numbers on the top. I"m used to factoring just three numbers. Can you show me how to do this? Thanks!!!
70. ## Math

Rational Equation, how do you work it out I need to check my work. x 1 x — - — = — 2 3 4 I got 4 — 3
71. ## math

is infinity a rational number or irrational number?
72. ## Math

x is a number between 3 and 50. How many vales of x is radical x / 13 a rational number?
73. ## Math

which of these numbers is not rational? A.√3 B.0.25 c.1/5* d.√9 *= My answer
74. ## Math

Is the square of a rational number always greater than the number ?

Using rational functions solve (7+ 1)/x = 1/(x-2)
76. ## Algebra 1

I need help to figure the Rational Expression of: t squared - 4 over (t + 2) squared.
77. ## algebra compare rational numbers

compare < > = 1) - 1/7 -6/7 i got : < 2) -3/4 -3/8 i got: < 3) - 1/2 - 2/10 i got : > 4) - 3/4 -1 i got: < 5) - 1/2 - 5/6 i got: < 6) -4/5 -1/3 i got: > 7) 5.2 > -8.3 8) -6.5 > 6.2 9) -4.9 > -4.3 10) 1.09 < -1.90 11)
78. ## Calculus

Hi! My question is: Given that f is a function defined by f(x) = (2x - 2) / (x^2 +x - 2) a) For what values of x is f(x) discontinuous? b) At each point of discontinuity found in part a, determine whether f(x) has a limit and, if so give the value of the
79. ## Math 222

Posted by Monica on Thursday, October 23, 2014 at 6:36pm. Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k
80. ## american government

American's founding have roots in: a)beliefs about the proper use of war b)commercial practices c)system of absolute rule d)religious beliefs IS D CORRECT ANSWER ?THANK YOU:)))
81. ## Math

Just need some help. My teacher likes to throw in advice on each problem, but they confuse me more. On this one he said multiply by 3 since volume is given. I know my formula is V=1/3bh, but does his advice mean multiply the base ×3 and then plug in to my
82. ## math

(please solve step by step) solving equation (6x+2)/4 + (2x²-1)/(2x²+2) = (10x-1)/4x we got roots as
83. ## Algebra II

Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b,and c are integers. (x-p)(x-q)=0 (x--3/4)(x-4)=0 (x+3/4)(x-4)=0 x^2-3x+3=0(answer)

Which of the followings is NOT characteristic of a good letter to the editor? a. Being rational b. being lenghty c. using good taste d. being fair Is B correct im not sure of this one any other opinions please
85. ## Dividing Rational Expressions

x^3-8/x^2-4 divided by (x^2+2x+4)/(x^3+8). This becomes ((x-2)(x^2+2x+4)/(x+2)(x-2) times ((x+2)(x^2-2x+4))/(x^2+2x+4). I understand that (x-2)(x^2+2x+4)=(x^3-8) when I distribute it, however, if I didn't have the help of my book, I'd have no clue how to

87. ## Math

Determine the holes, vertical asymptotes and horizontal asymptotes of the rational function. y=3x^2+10x-8/x^2+7x+12 Can you also show your work. I need to do corrections. I have a 68 I just need to get to a 70. This would mean so much to me if anybody
88. ## Partial Decompostion Fractions

Can you please help me with the following questions please, I don't understand them. I know the general rule about them. Write the partial fraction decomposition of the rational expression. (x^2+4x-1)/(x^2+3)^2 (4x^3+4x^2)/(x^2+5)^2

Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)
90. ## Algebra-Partial Fractions

Can you please help me with the following questions please, I don't understand them. I know the general rule about them. Write the partial fraction decomposition of the rational expression. (x^2+4x-1)/(x^2+3)^2 (4x^3+4x^2)/(x^2+5)^2
91. ## Re: Math

The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure
92. ## Math

Give three examples that satisfy the given conditions. (Enter your answers as a comma-separated list.) A rational number that is not a positive number
93. ## algebra

1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^2-7x+9=0 answer=2 complex 3)Identify the
94. ## math

Three roots of f(x)=x4−2x3+ax2+bx+c are −5, −3 and 4. What is the value of a+b+c?
95. ## math

the no. of real roots of eqn (x-1)POWER 2 + (X-2) POWER 2 +(X-3) POWER 2= 0 IS:
96. ## Algebra 1

You can mow your whole lawn in 45 minutes, and your neighbor can mow your whole lawn in 30 minutes. How long would it take you to mow the lawn together? Clearly show and explain each step for full credit. Using rational applications A. Write an equation
97. ## Pre-Calc

How do I determine if there are common factors for x^5+3x^3+5x/4X^4+2x^2, when the leading coefficient of the denominator is greater than that of the numerator, and there is no constant in the numerator - thus making using the roots calculator impossible,
98. ## POLYNOMIALS

ok, this might be a bit torturous, but if anyone is patient enough and help me with my working, i'd REALLY APPRECIATE IT!!!! Question: The cubic polynomial f(x) is such that the coefficient of x^3 is 1 and the roots of f(x)=0 are 1, k, and k^2. IT is given
99. ## biology

true or false.. 1) A mature pine tree produces either male or female cones (F) 2) Virtually all of our food is derived, directly or indirectly from flowering plants. (T) 3) In vegetative reproduction, new plants may be generated from stems or roots. (F)
100. ## English

Which sentence has an infinitive phrase that functions as the subject? To convert sunlight and energy into food is the end result of photosynthesis. After the rain, water travels from the ground to the roots of a plant. Plants are adapted to take in