# 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!

85,802 results, page 24
1. ## pre cal

Find a possible formula for the function graphed below. The x-intercept is marked with a point located at (5,0), and the y-intercept is marked with a point located at (0,−0.833333333333333). The asymptotes are y=−1 and x=6. Give your formula as

What is the sum of all the constants k such that |x^2−169|−x−k=0 has three distinct real roots?
3. ## Algebraic

Determine the roots of the quadratic equation by completing the square. Solve for exact solutions and approximate solutions. Check your solutions. Y=x2-6x-12
4. ## social

T/f 1.Borrowing from economics, rational choice theorists examine opportunities, costs and benefits when studying offenders’ decision-making processes.
5. ## statistics

what is the level of measurement for the following question? 1) the SAT scores for the GEORGE W BUSH white house staff. It is nominal, interval, ordinal, or rational? Why?
6. ## algebra

I have a question about exponents of rational expressions. I have two answers for one problem. One was written on a university mathlab and the other from a calculator. (3a^3/2)*(-7a^1/5) = -21a^17/10 (3a^3/2)*(-7a^1/5) = -21^a4/10 Can you tell me which is
7. ## Calculus

Prove that the function defined by: f(x)={1 if x is rational, 0 if x is irrational is not integrable on [0,1]. Show that no matter how small the norm of the partition, ||P||, the Riemann sum can be made to have value either 0 or 1.
8. ## math

When simplifying a rational fraction, why do you need to factor the numerator and the denominator? Include two examples! I will be happy to critique your thinking on this. I wouldn't ask if I knew how to guess
9. ## writing,essay

I have to wirte an essay ,about 300 words on ''A people without the knowledge of their past history, origin and culture is like a tree without roots'' Marcus Gravey I have really no diea where to start, thank you for the help
10. ## AP Biology

Plants have three basic organs, roots stems and leaves. Describe in detail the types of cells and tissue involved with each organ and their function in transport mechanisms in plants.
11. ## science

What are the parts of a computer? I think that is far too many to list if you want a detailed list; however, the MAIN pieces are monitor, CPU (processing unit), software, printer. I need an imformation about leaf,stems, and roots.
12. ## math

Let F1 = (0,2), F2 = (0,-2), and P = (x,y). Use the distance formula to convert the equation PF1 + PF2 = 6 into Cartesian form. Simplify your answer until it reaches the form hx^2+ky^2=m. I tried solving this but I got stuck with all the square roots and
13. ## Physic

I am confuse about this one question can some one please help me. The Navy wants a new airplane launcher for their aircraft carriers and you are on the design team. The launcher is effectively a large spring that pushes the plane for the first 3.49 meters
14. ## math

I need help on this question. Can someone help me get through with these question The area of canada is approximately 1x10(Exponent)7, and the area of Mexico is approximately 2x10 (exponent)6 square kilometers. The area of Canada is approximately how many
15. ## Science

Which adaptation helps some plants that live in the dry deserts? A.tall trunks B.long roots C.thin stems D.floating parts B? An animal that sleeps during the day MOST LIKELY lives in A.a tropical rain forest B.a tundra region C.a tide pool D.a hot desert
16. ## math,help

okay i am getting confuse with the decimals and fractions in order to make a table for the following problem.can someone help me make the tables the problem reads as follows. solve the system. 5x-3y=13 4x-3y=11 Now, i know i have to break them to the form
17. ## 8th Grade pre Algebra : HELP!

I usually don't post questions on here but Hell, I mind as well go for it. I was sick and now I'm behind, confused, and failing so any help is much appreciated. 3. Which number is equal to 5^3? A. 15 B. 100 C. 125 D. 150 4. What is the squaee root of 25/64
18. ## U.S. and Global Economics

I'm in need of help really bad. I been sitting here( I got a serious butt ache) trying to figure out this answers and I only got question one. Plz at least explain these questions to me. I would highly appreciate it. :) you don't need to explain # 1 I got
19. ## psychology

in the debate regarding children's memories of sexual abuse,it has become clear that: a)children's memories should not be trusted because they will say whatever adults expect them to say b)preschoolers' memories should not be trusted because they confuse
20. ## government

a lobbyist encourages parents to write letters to their representatives in congress in support of an education bill. this is and example of a. grass-roots pressure b. PAC contributions c. a public-interest group d. propaganda d and c, but ill lean more

Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? a. "Let us know if model A01 would be a suitable substitution." b. "Our layaway plan will enable you to purchase all the clothes the children need for
22. ## Math

Here is the question: Write the following rational numbers in scientific notation. A) 0. 000005 B) 30 million C) 0.036754 D) 24,000,059 My answers is: A) 5 * 10^-6 B) 30 * 10^6 C) 3.6754 * 10^-2 D) 2.4000059 * 10^7 Is this correct?
23. ## Algebra

Which of the following results in a sum or a product that is rational? Choose all that apply A.4+9 B.PI*5 C.3.45*1.2 D.sqrd16*sqrd4 E.sqrd7*sqrd2 sqrd=square root. the 3.45 has a line over the 45 I didn't know how to do that on here.
24. ## criminology

what crime control strageties are effective according to rational choice theory This site may help you. http://www.umsl.edu/~rkeel/200/ratchoc.html
25. ## Economics

tell me sumting abt consumer awareness Briefly, micro-economic market theories hang on the notion that consumers are informed, rational creatures.
26. ## Math

1)Give 2 examples in which negative numbers can be used in describing a measurement or an event. 2)Write each rational number in the form, A/b, where a and b are integers and b is not equal to 0. example A: 0.7 ________ Sorry don't get the above
27. ## Math 222

I am having difficulties trying to do rational expressions. I have to use the words Domain, Excluded Value, Set, Factor, and Real Numbers to show how I got the answer. Can someone please help me solve this one? g^2-6g-55 ___________ g
28. ## ALGEBRA

Find all positive values for k for which each of the following can be factored. I have 2 problems i think i got the one right but not sure the second one i have no idea where to even start 2x^3+16x^2-40x=2x(x^2+8x-20) (x-2)(x+10)=8x this one i am stumped
29. ## Algebra 2

1. Convert the 5th root of x^3 into a rational expression. 2. Solve i^63 I don't know how to solve these so please help me!!!

Determine the type of number that the solutions of x^2 +5x+3=0 will be I have the answer as rational is that right?
31. ## math

There is a vertical asymptote at x=2, and a horizontal asymptote at y=3. Construct a suitable rational function f(x).
32. ## Easy math

Can someone give me just four random rational numbers (decimal or fraction) between the numbers of -1, and 1?
33. ## Math

A function whose domain is all reals, and which maps all rational numbers to 1 and all irrational numbers to 0.

35. ## Math

The answer to the homework problem is greater than -5. Which rational number must be the number in the second circle?
36. ## Algebra

Rational Expressions: I'll do my best to type the following correctly: x-5+ 14/x+4 divided by x+3- 2/x+4 Simplify, Step by step Please!
37. ## Math

How do you fund the fastest increase rate on a function like f(x) = 2cos(2x) ? How about a rational function? Thanks!
38. ## math

simplify the following giving your answer with a rational denominator, 2 root3 - root 3/ 2 + root three.
39. ## Math

Give an example of a rational function that has vertical asymptote x = 3 and x = -3, horizontal asymptote y = 2 and y-intercept is (0, 4)
40. ## math

Simplify the following, state the answers with a rational exponent: (radical sign) 5^10 the 5^10 is under the radical
41. ## Simplifying Rational Expressions

Can anyone help me with these 3x-9/3x x^2-25/x^2+6x+5 4x8/105x 4x+4/x^22x3 2x^2+14x+12/4x^4x8 nevermind
42. ## college algebra--need help please!!

(Using the seven steps to analyzing the rational function of R), analyze the graph of the following function. R(x)=x^2-49/x^4-16
43. ## math

please answer this my topic is all about sums and differences of rational algebraic expression 3/5 + 4/5 another is x/3 - y/3 another is 7/a + 2/a please answer it thanks!!!!!
44. ## Algebra II

I need to rewrite this with rational exponents. (√3mn)^9 I have no clue of what I need to do. Can someone please take me step by step?
45. ## Math

Dividing the square root of 63 by what number will give a rational number solution?

compare and contrast Rational (formal) model for strategy- emergent strategy

compare and contrast Rational (formal) model for strategy- emergent strategy
48. ## Algebra

Simplify the complex rational expression 3/(x+5)+ 6/(x+3) ÷ (3x+13)/(x^2+8x+15) (please show steps i already know the answer i need to know the steps)
49. ## Solving rational inequalities

problem #1 (1+x)/(2x+3)<1 algebraically problem #2 1/(x^2+2x+1) > 2 graphically TIA please ignore this

compare and contrast Rational (formal) model for strategy- emergent strategy
51. ## math

Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length
52. ## math

Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length
53. ## Algebra 2

Use the rational root theorem to determine which of the following could not be a root of 6x^3+23x^2-6x-8=0 I need all of the steps. Thanks
54. ## Math plz help

Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ
55. ## repeating decimals

Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ
56. ## Math

Real, Rational, Irrational, Integer, Whole, Natural 35.99 Real Ratio

x/3-2/3=1/x *Solve the rational below. I really need help. Multiply through by 3x x^2 -2x = 3 And solve. I don't get it... can you explain it more.then I can help you Margie
58. ## math

Give an example of a rational function that has no horizontal asymptote and a vertical asymptote at x = 1.
59. ## Algebra 2

How do I express a number like 27 ^2/3 as a rational number in its simplest form? 31 25.6 123 16 I keep getting 83/3 and that = 27.66
60. ## algebra

Simplify the rational expression state any restrictions on the variable t^2+2t-24 / t^2-36 I got t-4 / t-6, but Im not sure of the restrictions whether its 6 or -6,6
61. ## algebra

Write the number 2.4 in the form , using integers, to show that it is a rational number
62. ## algebra

Can someone help me simplify this rational expression x^2-25 /x^2-3x-10 Please show step by step examples. thank you
63. ## Algebra...

This is dividing Rational Numbers.... I forgot how to do this... 22x + 10 / 2 45 - 5x / 5 -15 + 21a / -3 I forgot how to do this seriously..
64. ## math

Show that each number is a rational number by writing it as the quotient of two integers. 1. 37 2. -3 1/5 3. 9.2 4. -0.23
65. ## math

any number that can be expressed as the ratio of 2 integers a/b, where b does not equal 0, is a rational number
66. ## algebra, 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}]
67. ## algebra

identify one rational number and one irrational number that are members of the interval (-8,8)
68. ## Pre-Calculus

The profit in dollars in producing x items of some commodity is given by the equation P=−11x2+346.5x−2612.5. How many items should be produced to break even?(If there are two break-even points, then enter the smaller value of x. Your solution
69. ## Math

(a) sqrt(23) (b) sqrt(9) (c) (10/21) (d) (12/4) (e) 58 (f) −33 (g) 0 From the list above, determine the corresponding letters of the numbers that are (a) whole: (b) integers: (c) rational:
70. ## algebra

simplify the rational expressions. State any excluded values. 1. 3x-6 2. x - 2 ______ ______ x^2 + 3x--10 x--2 please walk me through this
71. ## math

I don't understand how to multiply rational expressions. My math book isn't helping at all.
72. ## Math (Algebra)

How many distinct rational numbers can be expressed in the form a/b, where a and b are integers such that 1 ≤ a < b ≤ 10?
73. ## Algebra

Simplify the rational expression. (45y-9xy)/(x^2y-25y) I got an answer of 9y/y(x+5) but it seems to be wrong Could anyone see what I did wrong. Thank you
74. ## math/algebra

I am having a hard time with math I cant get it. Write each rational number as a terminating decimal. 19/20, 1/8, & 17/5 can you please help!!
75. ## algebra 1

i need help with algebra 1 unit 6 rational expressions and functions. lesson 3 dividing polynomials need answers
76. ## Algebra

List all asymptotes (both horizontal and vertical) of the rational function: f(x)=(10x−3)/(8−7x)
77. ## math

Does anyone know how to answer the discussion for unit 3 lesson 10: rational numbers review?? (please answer fast!!)
78. ## Algebra

Could someone help me with this question Simplify the rational expression. (3x^2y+9xy^2-12y^3)/(36x^3y-27x^2y^2-9xy^3)
79. ## SAT Math

True or False: The least common denominator of each denominator in the following rational expression is (z-4)(z+4)(z-1)(z+1): 8 / z^2+5z+4 = 1 / z-4 + 1 / z-1 I am stuck on this one...
80. ## math 2

explain how a venn diagram in this lesson shows that all integers and all whole numbers are rational numbers.
81. ## Algebra

Could someone help me with this question Simplify the rational expression. (3x^2y+9xy^2-12y^3)/(36x^3y-27x^2y^2-9xy^3)
82. ## Math (Algebra)

How many distinct rational numbers can be expressed in the form a/b, where a and b are integers such that 1 ≤ a < b ≤10?
83. ## Math (Algebra)

How many distinct rational numbers can be expressed in the form a/b, where a and b are integers such that 1 ≤ a < b ≤10?
84. ## college Algebra

solving rational equation trying to figure out where i did wrong x/x-4 -4/x-5 = 4/x^2-9x +20 x/x-4 -4/x-5= 4/(x-4)(x-5) domain x not equal +- 4,5 x(x-4)(x-5)/x-4 - 4(x-4)(x-5)/x-5= 4(x-4)(x-5)/(x-4)(x-5) x(x-5)-4(x-4)=4 x^2-5x-4x+16=4 x^2-9x+16=4
85. ## algebra 2

Simplify the rational expression. numerator 3x negative 21 divided by denominator 49 negative x to the 2 power
86. ## Algebra 2

Find the distance between the points (12, 8) and (4, 2). 100 units 14 units 10 units –10 units Find the midpoint of the points (3, 1) and (7, –5). (1, 6) (2, 1) (2, –3) (5, –2) Find the vertex and focus of the parabola whose equation is 4y = x2 +
87. ## English

Can you please check these sentences for me? Thank you very much. 1)Another important theme is that of equivocation.The witches confuse good and bad (better evil). They are unable to distinguish between good and evil. 2) Closely connected to the theme of
88. ## Precalculus

Write the simplest polynomial equation with real coefficients having roots -i and 4. I have noooooo idea how to even start this one :( I thought you could start backwards with synthetic substitution but it didn't work. Any help on this is greatly
89. ## College Algebra

I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest
90. ## College Algebra

I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest
91. ## Math - Simple rational functions (check)

Consider the function f(x) = x/(x-1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to
92. ## 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?
93. ## algebra

Rewrite the rational exponent as a radical by extending the properties of integer exponents. 2 to the 3 over 4 power, all over 2 to the 1 over 2 power
94. ## math

my topic is all about sums and differences of a rational algebraic expression this is the problem 3a/ax+ay + 2a/ax+ay another problem is a/4a+1 + 2/4a^2-7a-2 another is 3/a-b + 4/a+2b please anyone else who can answer my assignment please HELP ME!
95. ## Algebra 2

I have to add this rational expression but I keep on ending up with 2 different answers each time I try to solve the expression. 2/x + 1/2x My answer is 4x+1/2x; but I also got 5/2x. Which one is correct and why?
96. ## algebra

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

1. simplify the rational expression by rationalizing the denominator? 4 over sqrt 150 __________________ sqrt 189x
98. ## Algebra

Show the similarities between dividing two fractions and dividing two rational expressions using examples of each; explain your steps
99. ## math

i'm studying for a test on rational expressions and i just wanted to know the answers to some of the problems i am not too sure about... 1... 4y-2/8y-2.. i got 1/2 which restriction of 1/2 2...(x-3/3x-5)/3-x/6x-10.. i got 4 with restrictions of 3 and 5/3
100. ## math - college algebra

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