# why does the equation x^2=-9 has no real solution why does the equation x^2 = 9 has two solutions

56,329 questions, page 19
1. ## math

find all solution sets to the equation 2x^3+12x^2+50x=o

asked by shieda on January 25, 2012
2. ## math

find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0

asked by jamie on January 24, 2012
3. ## precalc

find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0

asked by juli on January 24, 2012
4. ## Physic

Show that the function y(x,t) = X^2 + V^2t^2 is a solution of the general wave equation.

asked by Godwin on January 4, 2016
5. ## alg.

solve the system by addition: -5x-9y = -5 x+5y=-15 I've tried this one over and over, but I can't seem to get the right answer. I don't even really know where to start. each time i try to do it, i go about it a little differently and i'm completely lost,

asked by j on August 14, 2007
6. ## chem

I have a few questions. 1. write the net ionic equation for a precipitate when solutions of magnesium nitrate and potassium hydroxide form. When I did this equation out, both products were soluble. Am I doing this wrong? 2. A 50.00 mL sample of .0250 M

asked by Christine on October 19, 2006
7. ## algebra

1)What is the distance between the museum and sailing club.I cant post the graph or anything but I have my numbers right its 53 but I used the distance formula so its either 53 units or the square root of 53 units. 2)Write the equation of the parabola y=

asked by Marissa on August 20, 2007
8. ## Geometry

Hi, For one part of my problem I have had to find the equation of a straight line that passes through two points, I have done this but now i need to determine whether a new point lies on this line by using the equation from the first part, how would I do

asked by Rich on May 20, 2010
9. ## linear differential algebra

SOLVE THE SYSTEM (2D+3)(x)-(D+3)(y) = 5 (D+1)(x) - (2D+5)(y) = 7+4t STEPS 1) eliminate x by mulitplying equation 1 with -(D+1) and equation 2 with -(2D+3) After multiplying, what exactly happens to the D and t on the right side? Does it become Dt or 0?

asked by Porsche on November 12, 2018
10. ## Math

Suppose A,B, and C are positive integers such that 24/5 = A + 1/B+1/C+1 The value of 1A + 2B + 3C equals: (A) 9 (B) 12 (C) 15 (D) 17 (E) 20 hey i am trying to solve the problem, is it written like A+1 _____ B+1/C+1 A + 1 ______ B + 1 ____ C + 1 sorry it

asked by Jason on April 4, 2007
11. ## Math

How many ounces of 1% antifreeze solution must be added to 100 ounces of 40% antifreeze solution to obtain a 16% antifreeze solution? how do I set this equation up?

asked by Mark on September 29, 2017
12. ## math, algebra

the problem reads: Write the equation of the line which passes through the point (2,1) and is parallel to another line with equation y = (5)/(2) x + 6 the answer i get is the following is this correct though y = (5)/(2) x - 4 Since your new line is

asked by jasmine20 on March 31, 2007
13. ## college chemistry

A solution of C6H5CO2Na hydrolyzes according to the equation. If the [C6H5CO2H] in the solution after hydrolysis is 0.00000294 M, calculate the equilibrium concentration of C6H5CO2Na. C6H5CO2-(aq) + H2O(l) = OH-(aq) + C6H5CO2H(aq) Kh=1.59×10-10 What does

asked by sparkle on November 5, 2010
14. ## Chemistry

What volume (in mL) of a 0.300 M HNO3 solution will completely react with 43.9 mL of a 0.146 M Na2CO3 solution according to this balanced chemical equation? Na2CO3(aq)+2 HNO3(aq)->2 NaNO3(aq)+CO2(g)+H20(l)

asked by Connor Smith on November 9, 2015
15. ## Chemistry

What volume (in mL) of a 0.300 M HNO3 solution will completely react with 43.9 mL of a 0.146 M Na2CO3 solution according to this balanced chemical equation? Na2CO3(aq)+2 HNO3(aq)->2 NaNO3(aq)+CO2(g)+H20(l)

asked by Connor Smith on November 9, 2015
16. ## Chemistry

What volume (in mL) of a 0.300 M HNO3 solution will completely react with 43.9 mL of a 0.146 M Na2CO3 solution according to this balanced chemical equation? Na2CO3(aq)+2 HNO3(aq)->2 NaNO3(aq)+CO2(g)+H20(l)

asked by Connor Smith on November 9, 2015
17. ## Math 3

Solve by factoring: One of the solutions to the quadratic equation x^2 - 13x + 30 is 3. What is the other solution? Is it:(x+3) If 3 is a solution, then the quadratic contains a factor (x-3). The other factor is thus (x-10), and it follows that the other

asked by Margie on January 30, 2007
18. ## pre-calc help

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) 5 sin^2(x)- 21 sin(x)+ 4 =0

asked by Kate on November 27, 2013
19. ## CHEMISTRY

I need help with these problems ASAP: I need help setting these problems up: pleas!! (1)Calculate the volume of 1.87 M NaI that would be needed to precipitate all of the Hg+2 ion from 199 mL of a 1.96 M Hg(NO3)2. The equation for the reaction is 2NaI (aq)

asked by Priya on July 20, 2010
20. ## AP Chem (Thank you for help)

Hey guys! Stuck on some Redox Reactions. I tried my best to put as much work as I could, but I'm super stuck on these ones. Thanks for any help: 1) Balance the equation as written, what is the coefficient for O2? NH4+ + O2-->NO2− + H2O (in basic

asked by Allie on October 17, 2015
21. ## chemistry

Question: When a pink aqueous solution of potassium permanganate, faintly acidified with dilute sulfuric acid was treated with 10% aq. hydrogen peroxide, the reaction took place with the evolution of gas bubbles, and the pink solution was turned colorless.

22. ## MATH PLEASE CHECK IT!!2

m-2/m-5*m+5/m-2=-1 If your problem is this: (m - 2)/(m - 5) * (m + 5)/(m - 2) = -1 (m - 2) cancels out in both the numerator and denominator on the left-hand side since you are multiplying. That leaves us with this: (m + 5)/(m - 5) = -1 To solve for m:

asked by Margie on February 18, 2007

Sorreh I never really post question but I need help with this Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem. I would really like it if Some one could explain this to me!! thanks agian ~lost gurls

asked by Thili on November 18, 2016
24. ## 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

asked by Emily on September 3, 2009
25. ## calculus

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) sin θ cos θ − 2 sin θ = 0

asked by stellar on October 21, 2011
26. ## chemistry

what volume (in L) of 0.150 M KCl solution is required to completely react with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the following balanced chemical equation? 2KCl (aq) + Pb(NO3)2 (aq) --> PbCl2 (s) + 2 KNO3 (aq)

asked by samantha on June 21, 2010
27. ## Chemistry

What is the volume of a solution of 0.5 M NaOH that must be added to adjust the pH from 4 to 9 in 20 mL of a 100 mM solution of phosphoric acid? Its been about 4 years since I've done this stuff. All I know is the pKa of phosphoric acid is 2.15 and I'm

asked by Waleed on September 23, 2010
28. ## Chemistry

What is the volume of a solution of 0.5 M NaOH that must be added to adjust the pH from 4 to 9 in 20 mL of a 100 mM solution of phosphoric acid? Its been about 4 years since I've done this stuff. All I know is the pKa of phosphoric acid is 2.15 and I'm

asked by Waleed on September 23, 2010
29. ## Chemistry

Write an equation to represent the oxidation of I- to I2 in acidic solution, with ozone as the oxidizing agent. I know ozone will be reduced to H2O, but I am not sure how to figure out the acidic solution. Thank you!

asked by Anonymous on March 17, 2015
30. ## maths

Hi Please can you help Find the particular solution of the differential equation from f(x)=(x^2-6x+23)^(3/2)for which y=2 when x = 1, and then give this particular solution in explicit form? Am I correct that the following is the explicit form (not

asked by Claire on March 30, 2011
31. ## chemistry

When a mixture of two black powders is heated, it gave off a gas which turned lime water milky Give a chemical equation to show the reaction between gas and lime water Red scales residue can be seen on the black residue. Name the red scales The red scale

asked by saurav on March 17, 2015
32. ## Chemistry

Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the

asked by Prosperity on December 2, 2017
33. ## Math

Leonard ran 4 miles more than Sheldon ran. The sum of their distances is 26 miles. How far did Sheldon run? The domain a. Define your variable. b. Write algebraic expressions for the distances each person ran. c. Write an equation that can help you solve

asked by James on December 8, 2015
34. ## math

Review example 2 How does the author determine what the? Example 2. Translate. The first row of the table and the fourth sentence of the problem tell us that a total of 63 pupae was received. Thus we have one equation: p+q=63 Since each pupa of morpho

asked by micheal on June 16, 2009
35. ## MAT117

SOLVE ^Y+6-1=4 A) The solution to Y=_ OR B)Solution is not a real number Can't figure this one out... This is what I came up w/ Y=^5

asked by Brandon on November 1, 2010
36. ## MAT117

SOLVE ^Y+6-1=4 A) The solution to Y=_ OR B)Solution is not a real number Can't figure this one out... This is what I came up w/ Y=^5

asked by Brandon on November 1, 2010
37. ## Algerba

Which solution set best fit the solutions of -1.5^2+4x+2.2=0 2.2 and 3.1 or this one... no real solution -0.5 and 2.2 -0.5 and 3.1

asked by Jass on February 18, 2017
38. ## Chemistry

Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide,H2O2, can be titrated against a solution of potassium permanganate, KMnO4. The following equation represents the

asked by Ellen on October 3, 2010
39. ## chemistry

If 15.0 mL of a 1.5M HCl solution at 22.5 degrees C is mixed with 25.0mL of a 1.5M NaOH solution at 21.5 degrees C that is in a calorimeter, and the final mixed solution temperature ends up at 28.5 degrees C, 1.)what is the balanced equation for this

asked by Alison on April 13, 2014
40. ## Chemistry

Use the dilution relationship (Mi x Vi = Mf x Vf) to calculate the volume of 0.500 M NaOH needed to prepare 500 mL of .250 M NaOH. This is my work ? L Solution = 500mL x (1L/1000mL) = .500L ? mol NaOH = .500 L Solution x (0.250 M NaOH/1 L Solution) = .125

asked by Bob on February 28, 2009
41. ## Physics help

Find the differential equation of motion for a gravitational pendulum of mass m and length a by using the fact that the torque of its weight relative to the point of suspension is equal to the time derivative its angular momentum. Solve this equation to

asked by Daniel on December 27, 2015
42. ## Math

I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 +

asked by Shane on October 14, 2010
43. ## college algebra

write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)-In(x^2-4) solve the following logarithmic equation. 2. log_9(x-2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal

44. ## chemistry

A aqueous solution of acetic acid with a density of 1.25 g/ml is 30.0% by mass HC2h3O2 (MM=60.0) Compute the molarity of this solution. I figured out that if you divide 30.0 by the molar mass 60.0g which gives you .5 mol. I cannot seem to figure out what i

asked by Aimee on February 23, 2009
45. ## Chemistry

A precipitation reaction takes place when a water solution of potassium phosphate, K3PO4, is added to a water solution of cobalt (II) chloride, CoCl2 Write a balanced equation for this reaction

asked by Marissa on November 15, 2016
46. ## chemistry

Calculate the percent ionization of a 0.15 formic acid solution in a solution containing 0.11 potassium formate. I have the formic acid Ka=1.8 *10^-4 When I solve for "x" I'm getting 1.1.44*10^-2 When I plug that into equation (x/0.15-x)*100, I'm getting

asked by redgy on March 31, 2011
47. ## Strayer university

Suppose that the Fed's inflation target is 2%, potential output growth is 3.5%, and velocity is a function of how much the interest rate differs from 5%: %^V= 0.5 X (i-5). Suppose that a model of the economy suggests that the real interest rate is

asked by Joanne on December 16, 2012
48. ## Physics

A ball is launched with a velocity of 10 m/s at an angle of 50.0 degrees to the horizontal. The launch point is at the base of a ramp of horizontal length 6.00 m and 3.60 m high. A plateau is located at the top of the ramp. a) Does the ball land on the

asked by Armando on December 18, 2006
49. ## Writing equations from a table

Hiiii! My teacher gave out some practice problems to help prepare for the big upcoming tEst.. I just don't remember hiw to do fhese problems.. Irs just hard for me.. these are not graded, I just need help so I can (hopefully) ace the test :) Questions!:

asked by Bailey on January 22, 2015
50. ## algebra II

I'm quite clueless as to how to solve this. I know the quadratic equation but am not sure how to get this equation into the format to plug in to the quadratic... Solve the quadratic equation using the formula [1/(1+x)]-[1/(3-x)]=(6/35) Show your work

51. ## Pre-calc

Use the given zero to find the remaining zeros of the function: h(x)=x^4-15x^3+55x^2+155x-1476 Zero:5-4i I multiplied [x-(5-4i)][x-(5+4i)] and got x^2-10x+9. The example I have says to divide that by h and get a second quadratic equation that is also a

asked by James on October 10, 2012

41. Compare the parabola defined by each equation with the standard parabola defined by the equation y = x². Describe the corresponding transformations, and include the position of the vertex and the equation of the axis of symmetry. y = 3x² - 8 (4

asked by Ayesha on December 31, 2018
53. ## Algebra

Suppose someone opens the valve on a large water tank so that water drains out. Choose a starting volume of water in the tank (from 100 to 500 gallons), and choose how much water drains out each day (from 2 to 5 gallons). Write the equation that models the

asked by Olive on September 25, 2013
54. ## Chemical Formulas and Reactions

When aqueous copper(II)chloride reacts with aqueous ammonium phosphate, soluble ammonium chloride forms and copper(II) phosphate precipitates out of solution. 1. Write the balanced molecular equationfor this reaction. 2. Write the balanced complete ionic

asked by chrissy on December 29, 2006
55. ## Algebra...

Write the equation of a vertical line passing through the point (8,-4). Graph x=8 and see if that is what you want. I don't understand?!What do you mean? Do you know how to draw a graph? Plot X=8, y=0 x=8, y=2 x=8, y=4 and see what kind of a line you get.

asked by Margie... on December 2, 2006
56. ## algebra

Solve the quadratic equation: 2x(squared)+6x+12=0 I know you have to find two numbers that =24 (2 times 12) and have a sum of 6. But I can't think of any! Can someone please help? Use the quadratic. And this problem has no real answers, they are imaginary.

(2y-1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks 2) (a)find the general solution of the equation (x-2)dy/dx+3y(x-1)/(x+1)=1 b)given the boundary condition y=5 when x=-1,find the particular solution of the condition given in (a) a little

asked by ... on January 1, 2017
58. ## Math

Find the exact solution, using common logarithms, and a two-decimal-place approximation of each solution. log(7x + 4) = 2 + log(2x − 3) Solve the equation. log(x^3) = (log x)^2

asked by Eric on April 24, 2013
59. ## math

Can someone help me with these questions?? I really can't figure it out. Please help me I really need it... I have to write an equation to represent these real-life situations in which the variable is on the left side of the equation with an operation and

asked by Abby on September 18, 2015
60. ## Algebra 2

3. Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 – 3. (1 point) A- vertex: (2, –3); axis of symmetry: x = 2 B- vertex: (–2, –3); axis of symmetry: x = –2 C- vertex: (2, 3); axis of symmetry: x = 2 D-

asked by Robert on October 25, 2012
61. ## Chemistry

A volume of 70.0mL of aqueous potassium hydroxide(KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the solution if 19.2mL of 1.50M H2SO4 was needed? The equation is 2KOH+H2SO4->K2SO4+2H20

asked by Peter on September 18, 2010
62. ## Math - derivative of sinusoidal (check)

a) Find a function y=f(x) that satisfies the differential equation dy/dx = fifth derivative. This is one of the questions in my practice test, I tried the basic equation of the trig function such as f(x)= sin(x) or f(x)=-sin(x) however in the fourth

asked by Farah on November 29, 2010
63. ## chemistry

Red sclae residue ( COPPER II ) partly dissolves in dilute acid to form a pale blue solution. Name the pale blue solution and give chemical equation to support your answer

asked by clive on May 4, 2015
64. ## Math

An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) Find the solutions in the interval: √3tan(3θ)-1 Interval

asked by Janet on April 27, 2019
65. ## chemistry

Question : ka1 and ka2 values of H2X is given 1*(10)^-5 M and 1*(10)^-9 M.50cm^3 of 0.2 M KOH and 50 cm^3 of H2X of unknown concentration is mixed together and the pH of the final solution is given as 7. 1)Find the concentration of H2X 2)Find the pH of the

asked by To Aanya on May 21, 2017
66. ## Chemistry

Question : ka1 and ka2 values of H2X is given 1*(10)^-5 M and 1*(10)^-9 M.50cm^3 of 0.2 M KOH and 50 cm^3 of H2X of unknown concentration is mixed together and the pH of the final solution is given as 7. 1)Find the concentration of H2X 2)Find the pH of the

asked by Aanya on May 20, 2017
67. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
68. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
69. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
70. ## math

suppose you are an event corrdinator for a large performance theater. One of the hottest new broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office

asked by Kay on July 20, 2009

suppose you are an event corrdinator for a large performance theater. One of the hottest new broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office

asked by Kay on July 20, 2009
72. ## help with solving

x^2+(x-2)^2 = (2x-6)^2 solve for x. thanks so much. Please keep in mind that tutors here won't simply do your work for you. I'm sure you'll get a better response if you show your work as far as you can get, so tutors will know where you get stuck. =) it

asked by q on August 3, 2007
73. ## Mat/117 App F

1. Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office

asked by Rose on March 4, 2012
74. ## chem help

i just don't know where to begin/how a) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write a balanced chemical equation for: sulfuric acid + calcium carbonate c) Write a balanced chemical equation for: sodium sulfate

75. ## algebra

solve the inequality. Express the solution using interval notation and graph the solution set on the real number line x-4/x^2-4 greater or equal to O

asked by lan on November 14, 2011
76. ## MATH! Urgent

umm suppose a parabola has a vertex at (0,2) and points (1,1) how would I derive the equation and focus, i've been trying to understand this for so long, I can't get it. Does this parabola have the equation (y-2)^2 = x and a focus of 1/4?? Is that

asked by sally on November 2, 2006
77. ## math

Renee must solve the equation 4x+12=6x. If she subtracts 4x from the left side of the equation, what should renee write on the right side of the equation?

asked by natalie on May 4, 2011
78. ## algebra 2

Petra needs to find the equation of a line through (–2, 3) that is parallel to the line represented by y = 2x– 4. Which equation best represents Petra's equation?

asked by Lalt on February 10, 2012
79. ## math

Rewrite the equation 4x – 6y = –30 as a function of x. Subtract 4x from both sides of the equation. Then divide both sides by -6. You should end up with an equation for y, as a function of x.

asked by angel on August 5, 2007
80. ## college algebra

find a real-life application of a quadratic function. State the application, give the equation of the quadratic function, and state what the x and y in the application represent. Choose at least two values of x to input into your function and find the

asked by Renee on October 19, 2008
81. ## math: ineuality help pls!??

is this an inequality in a real life scenario? and what is the difference between that and an equation? Robin has \$25. He wants to buy some more boomerangs so he can practice his aiming for knife chucking for a circus act. Robin needs to know the average

asked by TTR+S<3 on January 22, 2014
82. ## Chemistry

Use Hess's Law to find the change in heat of 2C(graphite)+H2(g)-->C2H2(g)? Given: C(graphite) + O2(g) --> CO2(g) change of heat rxn = -393.5 kJ 2H2 (g) + O2(g) ---> 2H2O (l) change of heat rxn = -571.6 kJ 2C2H2 (g) +5O2(g) ----> 4CO2(g) +2H2O (l) change of

asked by Lauren on May 5, 2013
83. ## calc

Which of the following is the general solution of the differential equation dy dx equals the quotient of 8 times x and y?

asked by Anonymous on July 1, 2015
84. ## Chemistry

I'm having trouble balancing this equation: SO3^2- --> S2O4^2- It's in a basic solution. Thanks.

asked by C on April 7, 2013
85. ## maths pppllllz hellllp me too hard

determine a series if solution of the equation y"(x)+x.y'(x)+y(x)=0 show me step plz

asked by philip on September 25, 2016
86. ## algebra

for which values of a and b does the following pair of linear equation have an infinite number of solution ? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2

asked by somiya on July 16, 2012
87. ## Math

tell whether the given ordered pair is a solution of the equation y=9-2x;(-2,5) Help i kinda don't understand

88. ## Calc 2

Find the solution of the differential equation that satisfies the given initial condition. dy/dx= x/y, y(0) = −7

asked by TayB on March 29, 2016
89. ## calculus

the equation cosx=x has a solution in what interval?...the answer is given as [0,pi/2] can someone please explain why?? thnks

asked by sylvia on November 13, 2008
90. ## Math

Find the general solution for differential equation (D4 - 5D3 + 5D2 + 5D - 6)y = 0

asked by This is fine on March 21, 2019
91. ## math

Note: in this equation the absolute value marks are symbolized by parenthesis. 2 is less than (4-x). Why would this have no solution? Thank you!!!

asked by Coralia on October 1, 2008
92. ## math

Is it possible to write a second linear equation to create a system that had one solution and the same y-intercept as -9x+3y=12?

asked by Anonymous on February 16, 2017
93. ## Chemistry Redox Reaction

Balance the equation as a redox reaction in acidic solution. Cu(s)+NO3^-1(aq)-->Cu^2+(aq)+NO(g)

asked by Juggernaut on June 4, 2009
94. ## algebra

Solve this equation. Identify any extraneous solution. Show all steps. x = [3x + 40]

asked by sharl on May 13, 2011
95. ## precalc

2^(3x + 1) = 3^(x − 2) (a) Find the exact solution of the exponential equation in terms of logarithms.

asked by JB on March 7, 2016
96. ## ALGEBRA

what does it mean to state the solution in the problem if the equation is 2x^2-3x-4=0 (2x squared) and the graph is 2x^2-3x-4??? Can someone explain this to me?

97. ## calculus

Find the particular solution that satisfies the differential equation and the initial condition. f ''(x) = x^2, f '(0) = 8, f(0) = 8 f (x) = ?

asked by Sam on April 7, 2016
98. ## math

find the particular solution that satisfies the differential equation and the initial condition f’’(x)=x^2 , f’(0)=4, f(0)=8 f(x)=

asked by Anonymous on March 6, 2019
99. ## math

which value is a solution of the equation 2-8x=-6 Plz answer and give whole test answers

asked by brandon on September 20, 2018
100. ## Calculus

Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y= -1 - 4/x

asked by Una Rosa on March 12, 2016