# 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!

85,803 results, page 12
1. ## algebra

find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds show the average weight. How do I show the calculations necessary
2. ## College Algebra

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
3. ## Calculus

After an hour of googling this as you suggested, I still can't find the discussions or proof you were referring to. Can you please either send the link you found or help me with this? I don't know how to even start it. Prove that the function defined by:
4. ## pre-calculus

Find the number of possible negative real zeros for f(x)=6+x^4+2x^2-5x^3-12. Answer: 0 2) Approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. Answer: no real roots

Find the number of possible negative real zeros for f(x)=6+x^4+2x^2-5x^3-12. Answer: 0 2) Approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. Answer: no real roots

Use rational exponents to write 4suare root 5 * 2 sqaure root 8 Please help.. I can't find the square root button
7. ## Math

If alpha, beta are the zeroes of x2-2x+3, find a quadratic equation whose roots are (alpha-1)(beta+1), (beta-1)(beta+1)
8. ## college algebra

use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?
9. ## Math(Algebra)

An arrow is shot vertically upward from the top of a cliff 80 feet tall, with an initial velocity of 64 ft/s, (the acceleration due to gravity is -16ft/sec). a. Write the quadratic equation representing this scenario when h is 0. b. Find the roots
10. ## Pre-Algebra

8. Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is square root 20 feet long, which piece of glass should he
11. ## physics

A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 30° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box? Square root of three meters per second
12. ## Precalculus

Write the three cube roots of 8 cis (-30°).
13. ## AP Calc

What are the zeros (roots) of the function 2x/((x^2)-1) ? Would it just be (0,0)? Thanks in advance!
14. ## algerbra 2

what are the other roots of 3x^4-12x^3+41x-8x+26 that include 2-3i
15. ## maths

If the roots of the equation x2+a2=8x+6a are real, then a belongs to
16. ## pre calculus

cube roots of 64i?
17. ## math12

solve. check for extraneous roots.3^2x-4(3)^x+3=0
18. ## mathematics

How do i caluclate the roots of the equation for: x^2-3x-12=0 (x^2-4)=0 (x+3)=0 x^2=4 x+3+0 x=4 x=-3 Am i on the right path or just way off??
19. ## Math

Determine the nature of the roots of this question (1/4)x^2+x+1=0
20. ## algebra or algebra1

simplify square roots(2^3/-7^2)
21. ## Math

The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? Can you please help me with this question?
22. ## Algebra

Determine all roots of the function: f(x) = 10x(x^2+4x+3)

Solve 3^2x + 3^x - 21 check extraneous roots
24. ## math-calculus

the roots of the equation |x^2+2x-10| = 5 are -5, 3, and -1+-sqrtN value of N is? A. 6 B. 8 C. 12 D. 24 please help with this.
25. ## Maths

The roots of the polynomial f(x)=7x^2 +38x+c=0 are reciprocals of each other. What is the value of c ?
26. ## Math

If the roots of the equation (b-c)x^2+(c-a)x+(a-b)=0 are equal, prove that 2b=a+c.
27. ## Algbera

solve for the roots of the quadratic equation 2(x^2 - 4x + 5)=x^2 - x
28. ## Math

Determine the real roots of the equation: (5x^2 + 20)(3x^2 - 48) = 0
29. ## math

square roots to the nearest tenth of 42
30. ## Calculus AB

If r and s are roots of the pokynomial equation x^2 + bx + c, show that b=-(r+s) and c=rs
31. ## maths

proof that the equation x^2(a^2+b^2)+2x(ac+bd)+(C^2+d^2)=0 has no real roots.
32. ## Math

Which two sqare roots are used to estimate 47 ? (1 point)
33. ## math

identify all real roots of x^3-9x^2+16x-8=0
34. ## Biology

How is it possible for a stem to give rise to roots?
35. ## science

Name two jobs or functions of the roots of a flower?
36. ## plant life

Two jobs or functions of the roots?
37. ## math

form the quadratic equations whose roots are(A:5 and -1/3
38. ## Algebra

How do I solve for the roots of this quadratic equation: 3x^2-7x ---------=3 2
39. ## Biology

how is it possible for a stem to give rise to roots?
40. ## algebra 2

list all solutions if x^(4)+x^(3)-11x^(2)+9x+20=0 and if one of the roots is x=2-i
41. ## maths

If the roots of x^2 - px + q = 0 are two consecutive integers, prove that p^2 - 4q -1 = 0
42. ## maths

if the ratio of the roots of the equation ax2+bx+c is m:n
43. ## Math

Let f(x)=x2−1. How many distinct real roots are there to f(f(f(x)))=0?
44. ## Maths

How do I work out square roots without a calculator?
45. ## college

give all the roots of f in the function f(x)= -9x^3-5x^2-36x-20
46. ## CP Geometry

Working with square roots (s.r.) and need help. - s.r. 60/5 This is negative s.r. 60/5
47. ## Algebra

How many total Roots are in this polynomial equation? (x-4)^5(x^2-11)(x^2+49)=0
48. ## maths

Let f(x)=x^2−1. How many distinct real roots are there to f(f(f(x)))=0?

list all roots of 1) x^5-3x^4+3x^3-x^2=0 2)8x^3-12x^2+6x-1 3) x^4=16
50. ## math

What are the real roots of the quadratic function 4x^2-x+5?
51. ## SAT math

1. If square root of 3x-11 +10 = 17, find the value of 10 x . I don't know how to solve with square roots. I subtracted 10 from both sides, so I'm left with square root of 3x-11 = 7...How do I solve for x?
52. ## Pre-Calculus

Rational Functions does the following function have a hole or a vertical asymptote or both? how do you know? find the y-value at that point. y=x^2+7x+12/x^2+8x+15 I factored this out to y = (x+3)(x+4)/(x+5)(x+3) The x+3's cancelled out. I don't get the
53. ## math

Division of rational numbers find each product 1. 1/3 * 7 A. 1/21 B. 2 1/7 C. 2 1/3 D. 3/7 I think it is B 2. -7/9 * 3/5 A. 18/35 B. 7/15 C. -18/35 D. -7/15 I think it is C 3. 1/3 divided by 5/6 A. 2/5 B. 5/2 C. 2/15 D. 5/18 I think it is C 4. 2 1/8
54. ## calculus

use the rational zeros theorem to find all the real zeros of the polynomial. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
55. ## Algebra 2

Perimeter of Triangle: the length of the sides of a triangle are 1/x, 2/x, and 2/3x meters. Find a rational expression for the perimeter of the triangle
56. ## 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
57. ## maths

Given that the roots of 2x^2-4x+5 are alpha and beta,find the value of ... (i)alpha^3beta^3 (ii)(alpha-beta)^2
58. ## Math

two functions are defined as follows: f(x)=3/x+1 and g(x)=x-6 a) Write the equations of the vertical and horizonal asymptotes of f. b) Determine the coordinates of the points where f(x) = g(x) Thank you so much for huge help Is ti correct please? answer
59. ## pre cal

Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula as a reduced rational

What are two square roots of ten?
61. ## algebra

how do u do square roots of perfect and imperfect squares?

63. ## math

Which of the following are square roots of the number below? Check all that apply. 25 A. -(25)^1/2 B. -5 C. 13 D. 25^1/2
64. ## maths

prove that if m is not equal to n, the equation (m^2+n^2)x^2 - 2(m+n)x + 2=0 has unreal roots.
65. ## math

If a,b,c are integers and b²=4(ac+5d²), d €N then roots of the eqn ax²+bx+c=0 are
66. ## Math

Determine the real roots of the polynomial equation: (x^2+1)(x-4)=0
67. ## Science

How is geotropism/gravitropism related to roots and shoots?
68. ## science lab

does a plant need roots to have photsynthesis occur?
69. ## maths

Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
70. ## Algebra

Solve the following equation. 16x-8square roots of x = 35
71. ## math

I'm not exactly sure how to factor cubed roots: 8x^3 - 1 = (2x)^3 - 1 that's what i get; can it be simplified anymore?
72. ## math

Given that the roots of the equation 3x^2+x+2=0 are a and b, show that 27a^4=11a+10.
73. ## Maths

Consider the cubic polynomial f(z) =z3−2z+ 4. Given that z = 1 +i is a root of f(z), determine all the roots of f(z) in C
74. ## algebra

Given 3+i is a root, determine all other roots of f(x)=x^4-2x^3-x^2-38x-130.
75. ## math

Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.
76. ## maths

Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28 49 ----x + ----- = 0 3 9

3a²-a-4=0 solving for the roots,
78. ## American Government

What do America's founding principles have roots in?
79. ## Roots & Shoots

any organizations to donate to help animals and the environment?????
80. ## science

What happens if water is lost from the leaves faster that it is taken up the roots?
81. ## math

solving equation (b-c)x² + (c-a)x + (a-b) = 0 folling roots are obtained
82. ## Math

Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0
83. ## pre cal

Write a quadratic function that has roots of 41 and P.
84. ## math

Assume r and s are the roots of the quadratic equation ax^2 + bx + c = 0, show that r + s = -b/a and rs = c/a.
85. ## Math

Construct a polynomial g(x) with integer coefficents and roots 1, 2/3, and 4i
86. ## Pre-Calculus

Given -4i is a root, determine all other roots of f(x) = x^3 - 3x^2 + 16x - 48. Are they 4i and 3?
87. ## maths

Positive and negative roots of e to the power x equals to x.
88. ## Math (Algebra)

f(x)=x^4+ax^3+bx^2+cx+d and has real coefficients. If two of the roots are 4−i and 2+3i, what is the value of a+b+c+d?
89. ## Algebra 2.

16x^4+8x^3+17x^2+8x+1 I have tried it but i keep getting the wrong roots can someone solve this?
90. ## math

How many real roots exist if the discriminant of the equation=0?
91. ## algebra 2

how is 7-3i + 7+3i = 14/1 we're doing sum and product of roots, and i don't get how this is equal to 14
92. ## Trigonometry

nature of roots of the quadiratic equation 3X2 - 4x+ 5= 0
93. ## Algebra2

Which correctly describes the roots of the following cubic equation? x^3-5x^2+3x+9=0
94. ## maths

Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
95. ## algebra

Is it possible for a degree-4 polynomial P(x) to have only complex (no real) roots
96. ## MAths

Let r1,r2,r3 be the roots of polynomial P(x)=x^3+3x+1. Evaluate the product 3 ∏ (r^2+r +1) k k k=1
97. ## Math

What is the value of the descriminant of 2x2-13x-7=0? And what can you learn to know about the roots from that value?
98. ## math

solving equation z²-6z+9=4√(z²-6z-6) following roots are obtained
99. ## math

how do you figure out square roots of decimal numbers?
100. ## Algebra

how do I discuss or describe the nature of the roots for this equation: 3x^2 - 5x = 2