Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.
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Proof of Inequality: $x^2 + xy^2 + xyz^2 \geq 4xyz - 4$
- magneto1
- · Replies 7 ·
High School Is 0<d,l<1 equivalent to writing separately 0<d<1 and 0<l<1 ?
- FortzaParis
- · Replies 10 ·
How can the properties of logarithms be used to simplify and solve equations?
- schooler
- · Replies 3 ·
What are the ordered pairs for (1+a!)(1+b!) = (a+b)!?
- juantheron
- · Replies 1 ·
What am I doing wrong? (Simplifying Rational Expressions)
- eleventhxhour
- · Replies 2 ·
Simplify and state any restrictions on the variables.
- eleventhxhour
- · Replies 2 ·
Simplify and state any restrictions on the variables.
- eleventhxhour
- · Replies 2 ·
High School Mastering Quartic & Quintic Graphing w/o a Calculator for Pre-Calc 12
- Martin Zhao
- · Replies 3 ·
Finding equation of parabola with 3 points given
- phoenixcat
- · Replies 4 ·
Diophantine equation ax-by=c has infinitely many solutions
- evinda
- · Replies 12 ·
How can I prove that gcd(a,b) is an integer and gcd(a/b, b/h) = 1?
- simo1
- · Replies 2 ·
What Are the Integer Solutions for the Equation Involving Powers of Two?
- Albert1
- · Replies 3 ·
Find $m$ in Real Numbers: $x,y\in R$
- Albert1
- · Replies 1 ·
Undergrad Intersection of a 45 degree angle and an ellipse
- jjredfish
- · Replies 8 ·
Speed of sound - Uniform motion- linear equation application
- paulmdrdo1
- · Replies 11 ·
Johns Born Same Day: 24M Humans, 4 Letters
- mathworker
- · Replies 1 ·
Undergrad Why Do Hyperbolic Functions Require Complementary Functions Like Abs and Sgn?
- Jhenrique
- · Replies 8 ·
Solving Word Problem - Linear equations
- paulmdrdo1
- · Replies 9 ·
What Are the Possible Values of the Sum from a 2012-Degree Polynomial Solution?
- magneto1
- · Replies 3 ·
How Do You Transpose the Data Shown in These Pictures?
- vb14
- · Replies 7 ·
High School How to understand Logarithms, Fundamentally
- delsaber8
- · Replies 13 ·
Find all solutions in integers of (a, b)
- anemone
- · Replies 7 ·
Undergrad Polar Coordinates - Graphing the points of when theta<0
- adamjts
- · Replies 7 ·
Graduate Computable Normal Numbers: Is There a Known Answer?
- Dragonfall
- · Replies 4 ·
Undergrad Finding Positive Integer Solutions for (2^n+1)/(n^2)
- Davewilliams
- · Replies 4 ·
DFT for convolution like operation.
- menahemkrief
- · Replies 2 ·
Find Infinite Product: $\sqrt{\frac{1}{2}}$
- Saitama
- · Replies 2 ·
Metallurgy- Road Construction - linear equation
- paulmdrdo1
- · Replies 1 ·
Prove Geometry Inequality: 60° ≤ ($aA$+$bB$+$cC$)/($a$+$b$+$c$) < 90°
- magneto1
- · Replies 2 ·
Problem Solving 2 - linear Equation
- paulmdrdo1
- · Replies 3 ·
Find Positive Ints a,b,c Satisfying 1/ab+1/bc+1/ca=1/3
- anemone
- · Replies 2 ·
Graduate Is my equation for counting primes unique or similar to existing equations?
- xiang
- · Replies 3 ·
Speed Required to Pass a Truck in 3 Seconds
- bergausstein
- · Replies 13 ·
Undergrad Uncovering the Discovery of e=2.7
- Hepic
- · Replies 32 ·
Max Velocity of a Pendulum Released from Rest
- Dustinsfl
- · Replies 2 ·
Bullet imbedding in a block on a frictionless surface
- Dustinsfl
- · Replies 1 ·
Undergrad Area and volume calculation (no integration))
- Jhenrique
- · Replies 1 ·
Man-Days and Man-Hours: Understanding Units of Work Measurement
- paulmdrdo1
- · Replies 5 ·
Number of Terms in Sequence $\left\lfloor \dfrac{x^2}{1998} \right\rfloor$
- anemone
- · Replies 8 ·
Undergrad Sum and product of coefficient binomials
- Jhenrique
- · Replies 2 ·
Simplifying tan(2arccotx) - Peter's Question at Yahoo Answers
- MarkFL
- · Replies 1 ·
Undergrad Random question about cones and cylinders volume
- reenmachine
- · Replies 2 ·
Graduate What level of mathematics did Newton know when he made his discoveries
- Gondur
- · Replies 6 ·
Work Word problem - linear equation
- paulmdrdo1
- · Replies 8 ·
Is it possible to find natural numbers a and b that satisfy 2^a-3^b = 7?
- kaliprasad
- · Replies 5 ·
Undergrad Is There a General Theorem for the Sum or Difference of Terms^n?
- Jhenrique
- · Replies 4 ·
Solve for Positive Integer Solutions
- anemone
- · Replies 2 ·
Physics: Why do we subtract in one case and in other add?
- yakin
- · Replies 4 ·
High School Solving exponential equations with x as the exponent
- Tyrion101
- · Replies 3 ·
Undergrad A collection of audio/video lectures on mathematics
- seouldavid
- · Replies 42 ·
Prove Function Reflection: Mirrored in y=x Line
- eleventhxhour
- · Replies 15 ·
The function y = x is its own inverse?
- eleventhxhour
- · Replies 7 ·
How Can You Prove This Trigonometric Identity?
- anemone
- · Replies 3 ·
Can CSI and AM-GM Inequalities Solve Trigonometric Equation?
- anemone
- · Replies 7 ·
Undergrad Changing Center of Ellipse in Polar Coordinates
- alpha25
- · Replies 5 ·
A family of functions where each member is its own inverse?
- eleventhxhour
- · Replies 1 ·
Integer Solutions: $(x^2-y^2)^2=1+16y$
- anemone
- · Replies 4 ·
Undergrad 'Ant on a rubber rope' Wikipedia page
- guysensei1
- · Replies 2 ·
How to solve this dreadful quadratic with paper and pen?
- Sawarnik
- · Replies 2 ·
Real Solutions for p and q in Quadratic and Cubic Equations
- anemone
- · Replies 3 ·
George's question at Yahoo Answers regarding the binomial theorem
- MarkFL
- · Replies 1 ·
Is it possible to prove the inequality without using induction?
- anemone
- · Replies 2 ·
Mixture problem 2 - linear equation
- paulmdrdo1
- · Replies 3 ·
Periodic Function: Prove Smallest Positive Period
- Andrei1
- · Replies 3 ·
High School Gauss's Trick - Arithmetic Sums
- Johnathanrs
- · Replies 2 ·
How the charge is conserved in a closed loop circuit?
- yakin
- · Replies 1 ·
Solve Milk & Cream Mixture Word Problem: Help Needed
- paulmdrdo1
- · Replies 7 ·
Can You Prove That $\tan 50^{\circ}>1.18$ Without a Calculator?
- anemone
- · Replies 5 ·
Undergrad How Do Mathematicians Prove the Irrationality of Complex Number Combinations?
- Seydlitz
- · Replies 12 ·
Graduate Is NxN Truly Equivalent to N When Using Gaussian Integers?
- cragar
- · Replies 5 ·
Finding the Coefficient Ratio of a Binomial Expansion Problem
- Saitama
- · Replies 8 ·
Diophantine equation has no solution
- evinda
- · Replies 5 ·
Help finding multiplicity and zeros?
- pita0001
- · Replies 2 ·
Word problem - linear equation.
- paulmdrdo1
- · Replies 2 ·
Linear Programming formulation problem
- Emilov
- · Replies 4 ·
Distance problem. - linear equation
- paulmdrdo1
- · Replies 11 ·
Undergrad Intersection of an equation and discrete points.
- maistral
- · Replies 1 ·
Find the zeros of the polynomial function and state the multiplicity of each
- pita0001
- · Replies 8 ·
Word problem - Application of linear equations
- paulmdrdo1
- · Replies 2 ·
Converting Salt Concentration to Algebraic Symbols
- paulmdrdo1
- · Replies 4 ·
Digit word problems -linear equation
- paulmdrdo1
- · Replies 1 ·
Graduate The Mystery of Pi: A Philosophical Exploration
- craigi
- · Replies 20 ·
High School Forming a formula from a-b=c-d
- khazaymeh
- · Replies 3 ·
Converting Inches to Feet in a Floor Plan Scale
- Bruno1
- · Replies 2 ·
Undergrad Need help in understanding W paremeter for homogeneous coordinates
- null void
- · Replies 2 ·
How Can You Calculate the Area of a Polygon Using Coordinates?
- cavalieregi
- · Replies 3 ·
Another word problem - application of linear equations
- paulmdrdo1
- · Replies 2 ·
What is the equation that guarantees a non-real root for every real number p?
- anemone
- · Replies 1 ·
Undergrad Archimedes and his solution for Pi, what do we have that is better?
- mesa
- · Replies 9 ·
Prove $(c_n)^3=d_{3n}: Sequence Challenge
- anemone
- · Replies 2 ·
Maximum Value of Positive Integers in a Product-Sum Equation
- anemone
- · Replies 5 ·
Radius of Sphere Inscribed in Square Pyramid: Michelle's Q&A
- MarkFL
- · Replies 1 ·
High School Can someone explain Euclid's Algorithm to me?
- 1MileCrash
- · Replies 4 ·
Graduate This appears to be in direct violation of Carmichael's theorem.
- Whovian
- · Replies 2 ·
Undergrad When getting phase angle difference, do amplitudes have to be positive
- Vishera
- · Replies 4 ·
Graduate How to Prove Mason Gain Formula?
- persia7
- · Replies 1 ·
Manipulation of square root function
- Albert1
- · Replies 3 ·
Find the Range of $n$ for $\triangle ABC$
- Albert1
- · Replies 2 ·
High School How can I calculate the amount of paint needed?
- NMGMarques
- · Replies 7 ·
Vandomo's question at Yahoo Answers regarding the binomial theorem
- MarkFL
- · Replies 1 ·