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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Inequality Challenge: Prove $\sum \frac{x^3}{x^2+xy+y^2}\geq\frac{a+b+c}{3}$
- Albert1
- · Replies 3 ·
Trying to reverse structure a calculation to arrive at original variable
- lsargent
- · Replies 2 ·
High School What Are the Nuances of Mathematical Symbols and Their Applications?
- jaysquestions
- · Replies 5 ·
How many stamps did Casey buy?
- wailingkoh
- · Replies 1 ·
Solving for Rita's Salary Using Proportions
- wailingkoh
- · Replies 6 ·
Do you use two lines (of ruled paper) for a rational functio
- jaysquestions
- · Replies 7 ·
25 x 25 Grid, find how many shaded squares
- Marcelo Arevalo
- · Replies 4 ·
Solve June's Problem: Monthly Allowance of \$290?
- wailingkoh
- · Replies 4 ·
Undergrad What is the inverse function of x + sin x ?
- arpon
- · Replies 2 ·
Find al the four-digit numbers ABCD
- anemone
- · Replies 4 ·
How this exponent expression is reduced
- Sabeel
- · Replies 3 ·
Undergrad Checking if f(x)=g(x)+h(x) is onto
- Titan97
- · Replies 11 ·
Need help with two triangle problems
- wailingkoh
- · Replies 9 ·
High School What does 2f(x) mean, in words?
- jaysquestions
- · Replies 16 ·
High School Why is zero divided by zero undefined rather than zero?
- Stephanus
- · Replies 13 ·
Solving 2 Watches with 12 Hour Cycle Problem
- Marcelo Arevalo
- · Replies 3 ·
Undergrad When does quartic have only one real solution?
- Gerenuk
- · Replies 20 ·
Find Solution for Polar to Rectangular Equation
- karush
- · Replies 3 ·
Prove an expression is rational
- anemone
- · Replies 1 ·
Undergrad A solvable polynomial with no factors?
- Bill_Nye_Fan
- · Replies 5 ·
How can we prove $|Cx^2+Bx+A|\le 2$ for the given condition?
- anemone
- · Replies 4 ·
High School Multiplying mass as kg and grams= 2 different results?
- christian0710
- · Replies 3 ·
Undergrad Computational and reasoning skills don't always coexist?
- annoyinggirl
- · Replies 6 ·
Graduate How Does the Gamma Function Simplify to 'z' in the Limit?
- Muthumanimaran
- · Replies 7 ·
Undergrad How do I simplify this expression with a floor function?
- japplepie
- · Replies 11 ·
Can GCD of m and n be forced to equal 1 for given equations and conditions?
- Terry1
- · Replies 3 ·
Undergrad Find point on XYZ line with Distance
- fallingdog
- · Replies 2 ·
Undergrad "Proving" that definitions "work"
- Mirero
- · Replies 6 ·
Prove Multiples of 2003 are Divisible by 2003
- Albert1
- · Replies 2 ·
Weight of water on a 180ft by 40ft roof with 2 inches depth
- xerxies
- · Replies 4 ·
Graduate Volume of tetrahedron with 5 vertices
- Ravindraji4
- · Replies 4 ·
Undergrad Convex polyhedron - average of vertices inside polyhedron?
- pyroknife
- · Replies 7 ·
Min Value of $\dfrac{x}{y}-\dfrac{123}{2014}$: $\dfrac{1}{3792362}$
- anemone
- · Replies 2 ·
High School Which methods for solving systems of equations matter most in calculus and physics?
- JR Sauerland
- · Replies 33 ·
High School Why eating 4 extra biscuits ends the 28 pack on Wednesday instead of Thursday
- julian
- · Replies 20 ·
High School Does it matter where we put i?
- JR Sauerland
- · Replies 7 ·
Undergrad Locus of points making an ellipse
- fireflies
- · Replies 8 ·
Undergrad Why is sinh-1(x) not equal to 1/sinh(x)?
- Stephanus
- · Replies 18 ·
High School Leave the fraction alone, or make it a mixed number?
- JR Sauerland
- · Replies 5 ·
Undergrad Classifying conic sections from quadratic coefficients
- Bruno Tolentino
- · Replies 2 ·
Undergrad Sine/cosine function and polynomial function
- Bruno Tolentino
- · Replies 2 ·
Inequality Proof: $\dfrac{2015}{(k+1)(k+4030)}<\dfrac{1}{k+1}$
- anemone
- · Replies 2 ·
Why doesn't cos(4x) = 8sin⁴(x) - 8sin²(x) + 1 factor nicely?
- karush
- · Replies 4 ·
Simplify $\frac{\cot^3(y)-\tan^3(y)}{\sec^2(y)+\cot^2(y)}=2\cot(2y)$
- karush
- · Replies 5 ·
High School Angle of Elevation and Depression
- hiineko
- · Replies 9 ·
Can the following be solved algebraically?
- Bushy
- · Replies 1 ·
Find Remainder of $2^{100}-1$ Divided by 1000
- Amad27
- · Replies 1 ·
High School How to determine which quadrant pi/8 radians falls in
- JR Sauerland
- · Replies 13 ·
Mathopolis: Transforming Function Qs
- caligari
- · Replies 1 ·
Solve for $a+b+c$: Equation System ($a,b,c\in N$)
- Albert1
- · Replies 1 ·
Undergrad How Do 3D Coordinates and Radii Affect Vector Paths Between Points?
- ckirmser
- · Replies 8 ·
Undergrad Can Greedy Pirates Outsmart Each Other? Find Out!
- Raghav Gupta
- · Replies 16 ·
High School Theory behind long division method
- Anukriti C.
- · Replies 5 ·
High School Multiplying both sides by reciprocal of a fraction
- JR Sauerland
- · Replies 8 ·
Undergrad How Does Adding π/2 Affect the Sign of Tan and Cot in Trigonometry?
- takando12
- · Replies 5 ·
Sum of reciprocals of roots for x² - 2x - a² - a = 0
- Albert1
- · Replies 3 ·
Solving for n: 4 Divisors & n+1 Formula
- Albert1
- · Replies 2 ·
Graduate What is the situation of relational algebra?
- OppenheimerBohr
- · Replies 3 ·
High School How to Solve for Y in the Equation X = Y%Z?
- Superposed_Cat
- · Replies 4 ·
High School Why flip cosine to hypotenuse over adjacent in similar triangles
- JR Sauerland
- · Replies 7 ·
Graduate Is Mathematics a Belief System?
- EmiEmi
- · Replies 22 ·
Undergrad Getting a triangle from trigonometric function
- enter
- · Replies 7 ·
How Do Circles and Parallel Lines Interact in Geometry?
- wailingkoh
- · Replies 5 ·
Undergrad Factoring a^4 + a^2b^2 + b^4 into two quadratics
- AcousticBruce
- · Replies 28 ·
High School I'm having a lot of trouble with similar triangles
- JR Sauerland
- · Replies 7 ·
Prime Versus Irreducible Numbers
- Panda1
- · Replies 1 ·
Can someone give a simple explanation of quadratic residues?
- Terry1
- · Replies 3 ·
Graduate Money per person and 2nd generation
- caters
- · Replies 3 ·
Can triangles with the same side lengths have different angles?
- akarikairi
- · Replies 2 ·
What is the Sum of Positive Integers a, b, and c Given a Specific Equation?
- anemone
- · Replies 2 ·
Undergrad Alternative path to taking roots of both sides of equation
- ArmanZ
- · Replies 8 ·
Undergrad GCSE maths exam probability question about orange sweets
- sk1105
- · Replies 33 ·
What is the minimum value of $f(x)$ with positive real numbers $p,q,r$?
- anemone
- · Replies 2 ·
How Can Pell's Equation Enhance Elementary Number Theory?
- matqkks
- · Replies 1 ·
Undergrad What is the coefficient of the second order term in this polynomial expression?
- avikarto
- · Replies 14 ·
Undergrad How Can You Prove the Scalar Product of Two Lines Geometrically?
- Karol
- · Replies 9 ·
Who first studied the sum of squares of integers?
- Amer
- · Replies 1 ·
Who are the Top Mathematicians of All Time?
- xionc
- · Replies 44 ·
Graduate What is the Lagrangian and how is it used in physics?
- Justice Hunter
- · Replies 7 ·
High School Is first grade math just memorization?
- annoyinggirl
- · Replies 3 ·
Undergrad What was the estimated speed of a vehicle that struck me?
- Roxanne Thomson
- · Replies 2 ·
Undergrad Re-scaling Functions under the Same Axes
- ecastro
- · Replies 5 ·
High School Squaring both sides of equation and inequality?
- ArmanZ
- · Replies 8 ·
Graduate What is the Stirling transform of (k-1)?
- Cristopher
- · Replies 1 ·
Undergrad Consecutive Whole Numbers: x + y = y2 - x2
- Dennis Plews
- · Replies 2 ·
Do Math Majors Need Drawing Skills? - An Exploration of Spatial IQ
- oahz
- · Replies 11 ·
Graduate Polynomial system of 6 variables
- Bruno Tolentino
- · Replies 6 ·
High School Why Do We Add Zeroes When Calculating the LCM and HCF of Decimals?
- Fiona Rozario
- · Replies 8 ·
Undergrad Resources: Notes/ videos to sketch better geometric figures.
- MidgetDwarf
- · Replies 1 ·
Undergrad Fitting depth-volume relationship from bathymetry data
- Jannie
- · Replies 6 ·
Undergrad Why is the int() function giving a different output for int(logBASE(512,2))?
- 24forChromium
- · Replies 11 ·
Proving the integer that p is even and its square is even as well
- cbarker1
- · Replies 3 ·
Trigonometry Challenge (Find x)
- anemone
- · Replies 2 ·
Undergrad How to calculate vehicle speed?
- ramdas
- · Replies 7 ·
Undergrad Cool Pool Game with an Elliptical Table
- jedishrfu
- · Replies 4 ·
Find $\frac{a}{b}$ in the Circle of Balls
- maxkor
- · Replies 5 ·
Undergrad How Do I Correctly Calculate Sensor Offset Conversion?
- rocketman46
- · Replies 2 ·
Evaluate Inverse of Hi M.H.B.: Math Problem
- anemone
- · Replies 3 ·
Undergrad How can Pell's equation be effectively introduced in elementary number theory?
- matqkks
- · Replies 1 ·
Undergrad Understanding Hyperbolas: When Objects Move Horizontally
- thecosmos123456
- · Replies 6 ·