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 11
1. algebra

true or false 1. fraction cant be written as decimal. 2. natural numbers are referred to as counting numbers.whole numbers consists of counting numbers.whole numbers consist of counting numbers as well as the number 0 3. intergers do not include negative
2. Math

I have three more questions I do not understand. 1. Two points (-1,1) and (3,-2) are graphed on a coordinate plane. What is the shortest distance between the points? A. 3 B. 4 C. 5 D. 7 I have no idea how to do this. 2. Which expression represents the nth
3. Algebra

With the polynomial: f(x) = 5x^3 + 8x^2 -4x + 3 a. The Fundamental Theorem of Algebra states that this polynomial has ______ roots. b. Find f(-x).
4. Calculus I

Find the derivative ** (sq root) y = (square root) x + (2nd sq root) x + (3rd sq root) x ** All the x's is under three sq roots y' = 1/2(sq rt) x + 1/(sq rt) x + 3/2(sq rt) x Is this right?

find the slant asymptote of the graphof the rational function. 1.f(x)=x^2-x-2/x-7 y=? 2. determine the symmetry of the graph of f. a. the graph has y-axis symmetry f(-x)=f(x) b. the graph has orgin symmetry f(-x)= -f(x) c. the graph has both y-axs and
6. Pre algebra

Which statement is true? A.every realy number is an integer B.every rational number is a real number C.every rational number is a perfect square D.every integer is an irrational number An estimate for ✔️47 is between A.4&5 B.5&6 C.6&7 D.7&8
7. Calc

1. Find values of a,b,c, and d such that g(x) = a(x^3)+b(x^2)+cx+d has a local maximum at (2,4) and a local minimum at (0,0) 2. Need someone to explain this. Graph a function f(x) for which: f(3)=f(5)=0 f'(x)<0 if x<4 f'(4)=0 f'(x)>0 if x>4
8. math(EASY BUT CHECKING)

for a spinner numbered one to ten, all outcomes are equally likely. What is the probability of getting a factor of six? I thought it might be 4/10 or 2/5 because i think a factor is a number that can go into another one. I often confuse those with
9. to writeacher

im confuse on when it says : for all tables from two to twelve. does it mean all the tables like: 1 *1, 1 *2, all the way to 12 or does it mean: 2 * 1, all the way to 12?

how can you tell which form of a rational number is most appropriate in a given situation? Use an integer, or fraction, NEVER a decimal number. If your number is say 3.5, then the rational answer would be 35/100. if the number is .75, then the rational
11. POLYNOMIALS

The cubic polynomial f(x) is such that the coefficient of x^3 is -1. and the roots of the equation f(x) = 0 are 1, 2 and k. Given that f(x)has a remainder of 8 when divided by (x-3), find the value of k. okay, this is what i did: -x^3 + bx^2 + cx + d =
12. Algebra 2

Simplify the rational expression. Simplify the rational expression. numerator 4 x to the 2 power negative 16 divided by denominator x to the 2 power negative x negative 6
13. Algebra 1

Find the roots of each quadratic polynomial. 1. 16x + 40 + 2x^2 A: No real solutions? Solve. Round to the nearest hundredth. 2. 12 = 5x^2 A: 12 = 5x^2 12 / 5 = 5x / 5 12/5 = x^2 ±2√3/5 = ±√4x3/5 = ±√12/5 = x x = ? (Supposedly, the
14. Math 111 (College Algebra)

Rational number or irrational? And why? I have been challenged in my college algebra class to determine whether or not .12122122212222122221222221... (continuing forever)is a rational number or not. I need to prove one way or the other. I am lost! :-( I
15. Rational Inequities

Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 <0 my answer: (-infinity,-1) u (2, infinity) -x+8/x-3 > or equal to 0 my answer:
16. English

1. The tree with deep roots is not shaken by wind. 2. The tree with deep roots is not shaken by the wind. ============= Which one is right? Do we have to put 'the' before 'wind'?
17. 2 Math Questions

1) What do you do to check whether a number is rational or irrational? Use an example of a rational and an irrational number. 2) How does finding the square root [√] of a number compare to finding the cube root [^3√] of a number? Use the number
18. algebra

Word problems confuse me. THe owner of a fancy food shoppe wants to mix cashews selling at \$8/kg and pecans selling at \$7/kg. How many kg of each kind of nuts should be mixted to get 8 kg worth \$7.25/kg?
19. math

The following rational function describes blood concentration of a certain drug taken via IV over time: f(x)=x+1/x Find: a.the horizontal or oblique asymptote(s), if any, b.the vertical asymptote(s),if any, c. describe their possible meanings. Can somebody
20. pre-calculus

The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C
21. algebra II

The following rational function describes concentration in blood of a certain medicine taken once depending on time, find a. the horizontal or oblique asymptote(s), if any, b. the vertical asymptote(s), if any, c. describe their possible meanings.
22. college algebra

The following rational function describes blood concentration of a certain drug taken via IV over time: f(x)=x+1/x Find: a.the horizontal or oblique asymptote(s), if any, b.the vertical asymptote(s),if any, c. describe their possible meanings.
23. algebra

Reduce to lowest terms 3x-6/x^2-4x+4 perform operation w^2-1/(w-1)2 times w-1/w^2+2w+1 Find LCD and convert rational express. to equivalent rat. exp. with LCD as the denominator: 4/a-6 , 5/6-a
24. Discrete Math

Solve the recurrence relation a_n = -6a_n - 1 + 7a_n-2, n ≥ 2, given a₀ = 32, a₁ = -17. This is what I have figured out so far: polynomial: x² + 6x - 7 distinct roots: 1 and -7 I do not understand how to find C₁ and C₂. How
25. Calculus II

Fed loves polynomials with rational coefficients and only such polynomials.Suppose f(x)=square root of x. Find a polynomial P(x) that Fred will adore so that, for any x in the interval [3,5], the difference between P(x) and f(x) is less than .01 Hint: The
26. MATHS

The quadratic function f(x) has roots at x=4 and x=-2 and has value of 2 at x=0. Does f(x) have a minimum or maximum? Find the value of the /minimum/maximum value of f(x).
27. Psychology

1.The rational style of learning sometimes conflicts with the traditional school environment. Could a school be created that takes advantage of the characteristics of the rational style? How? Are there types of learning for which the analytical style is
28. College Algebra

Given the following rational functions,find:a.)the horizontal asymptote(s), b.)the vertical asymptote(s), if any,and c.) the oblique asymptote(),if any. f(x)=x(x-17)^2/(x+12)^3
29. college algebra

Given the following rational function, find a. the horizontal asymptote(s), b. the vertical asymptote(s), if any, and c. the oblique asymptote(s), if any. f(x)=(x^2-x-2)/(2x^2-x-10)
30. Socials

First Nations Assignment Fact Chart Plateau: Food = Salmon, plants, berries, edible roots/wild onion, wild lily bulbs, roots of a yellow flowers called balsam root, deer, bison Shelter = pit houses, tents Clothing = moccasins/deer hide, long shirts,
31. Math

2-4 paragraphs plus two graphs Details: Many different kinds of data can be modeled using polynomial functions. An example of a polynomial function would be gas mileage for an automobile. If we compare gas mileage at two different speeds, V1 and V2, the
32. Math!!

1. Which two square roots are used to estimate square root 8? A. 2 and 3 B. 3 and 4 C. 4 and 9 D. 9 and 16 2. Which two square roots are used to estimate square root 42? A. 25 and 36 B. 36 and 49 C. 49 and 64 D. 25 and 64 My answers: 1. B 2. B. Am I right?
33. Rational Numbers

Which of these is a rational numbers? A. Pi B. √3 C.√2 D. 1.33333333…. Thank you!
34. Physics

If two different masses have the same kinetic energy, their momenta are: a. proportional to the squares of their masses b. proportional to their masses c. proportional to the square roots of their masses d. inversely proportional to their masses e.
35. Algebra

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.    3-i,sqrt2 f(x)=??
36. Geomatry

For each of the rational functions find: a. domain b. holes c. vertical asymptotes d. horizontal asymptotes e. oblique asymptotes f. y-intercept g. x-intercepts 1. f(x)= x^2+x-2 / x^2-x-6
37. algebra

For each of the rational functions find: a. domain b. holes c. vertical asymptotes d. horizontal asymptotes e. oblique asymptotes f. y-intercept g. x-intercepts 1. f(x)= x^2+x-2 / x^2-x-6
38. Pre Calc (For Reiny)

Thanks so much your method worked perfectly! My solution was: the remaining zeros were 5+2i, 3, and -4 I have one question that's bugging me though, why is it that synthetic division did not work for me? I thought that long division and synthetic division
39. physics

If two different masses have the same kinetic energy, their momenta are: 1. inversely proportional to their masses 2. inversely proportional to the square roots of their masses 3. proportional to the squares of their masses 4. proportional to their masses
40. Calculus

The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A) the horizontal or oblique asymptote B) the vertical asymptote, if any C) describe their meanings f(x)=x/x^2-100
41. Pre-Calc

A slice 1 unit thickness is removed from one see of a cube. Use the rational zeroes theorem and synthetic division to find the original dimensions of the cube, if the remaining volume is 48 cm^3 v= x^3 v=x*x*x x=(x-1)*x*x 48=(x-1)*x*x
42. math

sin 30degrees cos 240degrees + sin 210degrees sin 300degrees. -1/4 + sqrt3/4 what is the last step ?? the negative and positive signs confuse me ??
43. Algebra

Use the rational zeros theorem to list the potential reational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=6x^4+9x^3+30x^2+63x+28
44. math

given that a and b are rational numbers, find the value of a and of b in the following equation: a-bsquareroot7 = (2+squareroot7)(2-squareroot7)+squareroot7
45. Chemistry

Dr. Bob222 Please don't get frustrated with me, I'm really trying to figure this out... UGH!! I'm starting over again... Please advise... . Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were
46. maths

Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic factors; deduce that cos3x = 4[cos(x) -cos(pi/6)][(cos(x) -cos(pi/2)][(cos(x) -cos(5pi/6)]
47. maths

Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic factors; deduce that cos3x = 4[cos(x) -cos(pi/6)][(cos(x) -cos(pi/2)][(cos(x) -cos(5pi/6)]
48. Math

Which statement is false? A: Every integer is a real number. B: the number zero is a rational number. C: every irrational number is a real number. D: every real number is a rational number****
49. Chemistry

Could you please check my work about complete ionic and net ionic equations. They really confuse me. My original equation, after I balanced, was: FeCl2(aq)+Na2S(aq)=FeS(s)+2NaCl(aq). For complete Ionic I think its:
50. math

is this how you simplify exponents and integers: 10+4^3x2^-2 10+ 1/64 + 1/4 1/64 + 1/4= 1/256 10 + 1/256= 10 1/256 -------------------------------------- ever since I learn this in class, I'm getting more confuse because I keep receiving fraction as an
51. math just practice

Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a
52. math

which of the following are reasonable answer for the product of two negatives and a positive a. 20** b. 10 c. -20 d. -10 Which statement about the product is true 5.5⋅√5 a. The product is rational b. The product is irrational**** c. The product
53. math(urgent)

9.A 10%,100-day note was dated 20 september 1992.the maturity value of the note was \$3083.33.If the note was discounted on 17 november 1992 at 12%,FIND i) the maturity date of the note = 29 december 1992 ii)the face value of the note \$3083.33 =
54. english

it is not unusual for writers to confuse advers and adjectives how did the material in my writinglab help reduce the possibility of confusion describe the strategies you have developed to avaoid confusing the use of adverbs and adjectives in the future
55. Subtracting real numbers

I always get stuck because I never know where to start, and the signs confuse me. Here's the problem: -10-(-8)+(-4)-20 Here's my first step... -20-10-8+4 -10-4 =-14 But, that's not right. I checked in the back of the book for the answer, and the answer is
56. Solving One-Step Inequalities

Solve each inequality. 1/5 is less than or equal to x/15 70-a is greater than or equal to 25 I am really confuse about this and I Don't want cheating, I just want steps because I am not really getting this at all. Thanks! Also, this is for Ms.Sue, I know
57. Numerical Analysis

Using the bisection method, Newton’s method, and the secant method, find the largest positive root correct to three decimal places of x3 − 5x + 3 = 0. (All roots are in [−3,+3].)
58. Pure Mathematics

4) The roots of the equation z^2+2z+4=0 are denoted by α and β. a) find α and β in the form re^iθ, giving the values of r and θ b) Using de Moivre's Theorem, show that α^3=β^3. c) find the exact value of
59. math

9.A 10%,100-day note was dated 20 september 1992.the maturity value of the note was \$3083.33.If the note was discounted on 17 november 1992 at 12%,FIND i) the maturity date of the note = 29 december 1992 ii)the face value of the note \$3083.33 =
60. math

9.A 10%,100-day note was dated 20 september 1992.the maturity value of the note was \$3083.33.If the note was discounted on 17 november 1992 at 12%,FIND i) the maturity date of the note = 29 december 1992 ii)the face value of the note \$3083.33 =
61. Algebra Work Check

Find the roots of x^4 - 16 = 0. √ x^4 = √ 16 x^2 = 4 √ x^2 = ± √ 4 2,-2
62. English - Native speakers

I got a little confuse by possessive s The rule goes that all regular plurals get the ending s' f.e. my parents' house So then it is my brother's house in singular and my brothers' house in plural?

I'm very confuse how to do this angle i have an triangle up side down lke pizza shape K.50_____50.R Y it look just like letter V with the line on top of it. sorry,I don't know how to connect the line from y to k than y to R. but, i think you get what i'm
64. pre-calculus

Steve, The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C).
65. math

why it is not possible for a right triangle to have the following three sides: 12 feet, 18 feet, and 14 feet. I need help because I am confuse. Thanks in advance.
66. Math

In the question: a rational number plus an irrational number will be ____ a. irrational b real c. rational d. A and B I know it is irrational but would it also be real since irrational numbers are real? Thanks....
67. Math

I need help and I forgot my book and class please help me solve theses Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks,
68. Math help 1 question!!!!!!!!

14. Which statement is true? A. Every rational number is a square root. B. Every irrational number is a fraction. C. Every rational number can be written as a fraction. D. Every square root can be written as a whole number.
69. calculus

Determine if the graph of the rational function has a slant asymptote. If it does, find the equation of the slant asymptote. (2x^3+18x^2+47x+24)/(x^2+6x+5)
70. Math

Name ALL sets of numbers to which each number belongs Real Rational Irrational Integer Whole Natural 0 Whole Integer Square root of 5 Irrational -80 Integer 12/3 Rational square root of 100 Irrational square root of 4 Irrational 3pi Irrational
71. Physics/math

Here is the problem A typical atom has a diameter of about 1.0 X 10^-10m. What it is in inches? How many atoms are there along a 1.0 cm line? ( I got the first part but confuse w/ the second part. how do I know how many atoms are there? Please help me)

please is anyone can help me to differentiate betwee them. i am really have a confuse with them.thanks a.analytic vs.manufacturing b.analytic vs.synthetic c.synthetic vs.fabricating process
73. math

A television is sold at a discount of 13 % for IDR. 870,000. What is the actual price of the television before at a discount ? COnfuse..
74. Algebra 2!!!!

Use the graph to shorten the list of possible rational zeros of the function. Then find all real zeros of the function. 1.) f(x)= 4x^3-8x^2-15x+9 4.) f(x)= 2x^3-5x^2-4x+10
75. Algebra

In still trying to figure out the equation for S=C(1+r/100)^5 to help me to find the inflated cost S, in 5 years, for sunglasses they cost 3.72103 in Afghanistan currency which will go into the C spot of the equation. which these glasses will cost \$169.40

In 2000 the population of goddard was 5,554. The population of Valley Center was 7,323. What is the Approximate difference between the populations, to the nearest one hundred people. please! help I'm totaly confuse with this question?? do you substract it?
77. Arbitrary signs

Can someone explain to me what arbitrary signs are and some examples.. The websites on google confuse me.. Does anyone know of any good sites?
78. algerbra 2

B. The rational expression is not defined for any values of 20^2-180/4x^2+36+ 72 for which the denominator equals zero. Find the value(s) of for which the denominator equals zero.
79. equation complex number

z^4 + 81 = 0 (solve) change it to polar, then take the root. z^4= 81@180 z= 3@180/4 + n90 where n=0, 1, 2, 3 check: z= 3@180/4 + 3*90=3@315 z^4=81@(4*315)=81@1260= 91@180=-81 you can check it at the other roots also. this is what i did: z^4 = - 81 z (81
80. math

what are the roots of x^3-3x^2+3x-1
81. math

what are the roots for x^3-2x^2-7x-4?
82. algebra

What roots does x^3 - 6x^2+3x-10 have?
83. algebra

What are the roots of 2 X /x-6= 0
84. math

what are the roots od x^3+x^2-4x-4?
85. Math

I really need help with a quadratic question. So the problem is kx^2+[k+2]x-3=0 has roots which are real and positive. Find the possible values that k may have. The answer is -8+ √60<k<0 I get why they got -8+ √60 but I don't understand
86. Quantum Physics

I try to make a Quantum Fourier Transformation with N=6: w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is QFT6= 1/sqrt(6)* (1 1 1 1 1 1 ) (1 w w^2 -1 -w -w^2) (1 w^2 -w 1 w^2 -w ) (1 -1 1 -1 1 -1 ) (1 -w w^2 1 -w w^2 ) (1 -w^2 -w -1
87. Algebra

I just need help with the number game part. I can't think of any kinds of games to come up with? Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did
88. trigonometry

Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" Also Give checks. I know the use of logarithms is unnecessary but i have to show my solution by using logarithms and that's the only
89. Math Problem2

List all possible rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely. Please show all of your work. f(x) = 5x^4 – x^3 - 33x^2 – 43x – 16
90. math

please correct these for me 18. the number of quarts you use to paint your room (are whole numbers or integer or rational number the most reasonable for this situation) A. yes 24. us <=> to compare 2/4 1/6 is it = 36. find the absolute value -4/14 is
91. precalc

I am stuck on this one problem and think it might be the teachers typo but don't want to point it out without being sure. You have to find the zeros (we use long division) of x^5+8x^3+16x but because these are all raised to odd powers they either give me
92. math: polynomials

Please help me with these three problems! 1. solve for x: 3x + 5x^(1/2) - 28 = 0 2. solve for x: square root(2x-5) - square root(x-2) = 2 3. Find all values so that polynomial: ax^2 + 5x + 2 has two distinct real roots.
93. math

9x^2-6x-7=0 is it a : One rational solution Two rational solutions Two irrational solutions One complex solution Two complex solutions
94. algebra

Suppose the ball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. -- find an equation in form
95. Math

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21
96. Math

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21
97. Algebra

15. A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water. 33. Solve the following: (q + 2)^2 = 25 34. Solve the following: y^2 + 6y + 9 =49 39. How many real roots are there for the
98. Product of Roots of Sums of Products of Difference

What is the product of all roots to the equation ++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5)(x−6)(x−5)(x−6)(x−7)+(x−6)(x−7)(x−8)=0?
99. Product of Roots of Sums of Products of Difference

What is the product of all roots to the equation ++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5)(x−6)(x−5)(x−6)(x−7)+(x−6)(x−7)(x−8)=0?
100. Algebra

I have to use this equation to get the answer (t)=time. V=S+a*t I divided t by both sides, but get a little confuse do I divide V by both sides as while is the answer: t = V/s+a/S??