General Math Forum

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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.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
Insights Is there a rigorous proof of 1 = 0.999....? - Comments
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Undergrad Is Infinity Divided by Infinity Equal to 1?
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High School Natural Logarithms: Are They Equal to Other Logarithms?
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High School Can a^0 Equal 1? A Simple Proof
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MHB Help Needed: Calculating Speed After Motorcycle Accident
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Undergrad Gimblestitch Archmage's Amusing Number Theorem
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MHB Water Displacement Volume question
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Undergrad Circle in the Euclidean space using Euler's Number
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MHB Prove: Inequality $9\gt \sqrt{a-1}+\sqrt{19-3a}+\sqrt{2a+9}$
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MHB Black Plastic Lid - Measurement Ratio
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High School Is f(x) a function or a value?
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Undergrad Which One Time Pad Cipher Would Be "Most Unbreakable" ?
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Graduate Form factored of the polynomial discriminant
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High School How to Find This without Calculator?
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High School Does a cone cut from a sphere have a name?
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Undergrad What does " to first order" mean ?
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MHB Some miscallenous multi choice questions
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Undergrad The Power of Math: How It Shapes Our World
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MHB Daughter's 6th grade homework question.
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Undergrad Solving Nonlinear System: \alpha,\beta,\gamma from A,B,C
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Graduate Important pi question (when these numbers will reoccur)
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High School Converting cubic cm to cubic m and kg/m^3 to g/cm^3 etc
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MHB Proving $(x^2+1)(y^2+4)(z^2+9) \ge 100$ for $6x+3y+2z=10+xyz$
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Graduate How can we converge to transcendental numbers beyond e?
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High School Converting decimals to fractions
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Please evaluate this license plate option =D
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Graduate Square numbers between n and 2n -- Check my proof please
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MHB Finding Domain of f(x)=\frac{1}{x^{2}-x-6}
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Graduate Sum of number of divisors of first N natural numbers
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MHB Prove Inequality: $(x+y)^2/2+ (x+y)/4 \ge x\sqrt{y}+y\sqrt{x}$
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Undergrad Without any loss of generality
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MHB Find the Ratio of $\overline{BD}: \overline{CD}$ in $\triangle ABC$
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Graduate Proving $\sqrt{2}+\sqrt{3} \gt \pi$: A Mathematical Challenge
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Undergrad What is the mathematical proof behind the value of Pi?
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Undergrad The Trigonometery functions in other presentation
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Undergrad Finding Loci of Centres in Ellipses: Can You Help?
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MHB Sum of 1/n2 or 61/36: Which is Bigger?
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Graduate Solving this set of trigonometric equations
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Undergrad Cubic Formula: Is There a Unique Way to Write It?
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MHB Finding $x$ and $y$ Given $A, G, H \in N$ and $A+G+H=49$
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Undergrad Simplifying a rational expression
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MHB Max n for Sum of 3 Numbers Multiple of 27 in A
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Undergrad What is the optimal way to divide a picture into jigsaw puzzle pieces?
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Graduate Cyclic Permutations: εijk, Even or Odd?
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MHB Uncovering Solutions for x and y in Nonlinear Equations
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High School I have a quick question on square roots.
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MHB How to find a general solution to sec2 2x = 1– tan 2x
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MHB How Do You Convert a Trigonometric Expression into a Sine Equation Form?
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Undergrad Order of transformation of functions?
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High School Bidmas (brackets; indices; divide/multiply; add/subtract)
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Undergrad Value of studying number theory?
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MHB How do I adjust the image rotation on this webpage?
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Graduate Showing that the Ratio of Two Expressions is Always Greater Than 1
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MHB Solve Inequality Challenge: Prove $35\sqrt{55}+55\sqrt{77}+77\sqrt{35}\gt 2310$.
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High School Technical Order of Operation Question
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MHB Proving $x^2+y^2\ge 2$ with Given $x^3-y^3=2$ and $x^5-y^5\ge 4$
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High School Using triangulation to find distance....
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MHB A Fact I Observed While Looking at the Proof of the Pythagorean Theorem.
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High School Where Can I Find Comprehensive Math Resources for Re-learning?
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MHB Solve Trig Word Problem: Acre Parcel Sides 180 & 240 ft
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Graduate Solve Trigonometric Problem for Dynamics: 4th Hint Equation
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Undergrad England's Court of Appeal Rules On Meaning of 'One'
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MHB Can Cotangent Sums Exceed 2/3 in Acute Triangles with Perpendicular Medians?
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MHB Inequality Challenge: Prove $\sum \frac{x^3}{x^2+xy+y^2}\geq\frac{a+b+c}{3}$
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MHB Trying to reverse structure a calculation to arrive at original variable
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High School What Are the Nuances of Mathematical Symbols and Their Applications?
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MHB Marbles & Stamps: How Many Did Casey Buy?
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MHB Solving for Rita's Salary Using Proportions
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Do you use two lines (of ruled paper) for a rational functio
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MHB 25 x 25 Grid, find how many shaded squares
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MHB Solve June's Problem: Monthly Allowance of \$290?
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Undergrad What is the inverse function of x + sin x ?
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MHB Find al the four-digit numbers ABCD
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MHB How this exponent expression is reduced
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Undergrad Checking if f(x)=g(x)+h(x) is onto
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MHB Triangle Questions: Get Expert Advice Now
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High School What does 2f(x) mean, in words?
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High School Understanding 0: How Maths Rules Changed Through Time
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MHB Solving 2 Watches with 12 Hour Cycle Problem
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Undergrad When does quartic have only one real solution?
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MHB Find Solution for Polar to Rectangular Equation
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MHB Prove an expression is rational
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Undergrad A solvable polynomial with no factors?
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MHB How can we prove $|Cx^2+Bx+A|\le 2$ for the given condition?
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High School Multiplying mass as kg and grams= 2 different results?
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Undergrad Computational and reasoning skills don't always coexist?
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Graduate How Does the Gamma Function Simplify to 'z' in the Limit?
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Undergrad How do I simplify this expression with a floor function?
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MHB Can GCD of m and n be forced to equal 1 for given equations and conditions?
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Undergrad Find point on XYZ line with Distance
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Undergrad "Proving" that definitions "work"
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MHB Prove Multiples of 2003 are Divisible by 2003
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MHB Weight of Water on 180ft x 40ft Roof: Help Needed!
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Graduate Volume of tetrahedron with 5 vertices
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Undergrad Convex polyhedron - average of vertices inside polyhedron?
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MHB Min Value of $\dfrac{x}{y}-\dfrac{123}{2014}$: $\dfrac{1}{3792362}$
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High School Systems of Equations: What's your favorite way to solve them?
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High School How Many Extra Biscuits Did I Eat?
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High School Does it matter where we put i?
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Undergrad Locus of points making an ellipse
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