General Math Forum

Post thread
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
Undergrad Dash as multiplication sign in older texts
  • · Replies 3 ·
Replies
3
Views
2K
High School How Do You Calculate the Length of an Arc for Hanging String Lights?
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad Finding Max Product in NxM Matrix Without Duplicate Rows/Cols
  • · Replies 5 ·
Replies
5
Views
2K
MHB How do I divide my land into 3 equal parts?
  • · Replies 6 ·
Replies
6
Views
4K
High School Does Doubling y in an Inverse Proportion Problem Halve the Constant?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What's so special about functions?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Prove: Rational Number Squared Has Prime Factors w/ Even Exponent
  • · Replies 14 ·
Replies
14
Views
7K
MHB Where did I go wrong in simplifying this algebraic expression?
  • · Replies 2 ·
Replies
2
Views
2K
High School Find Angle in Right Triangle Given Hyp and Opposite Side
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Understanding the Proof of Cosine and Sine Rules: Am I on the Right Track?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Solving an irregular tetrahedron
  • · Replies 10 ·
Replies
10
Views
7K
MHB How Do You Solve for Alpha and Beta in Exponential Equations?
  • · Replies 3 ·
Replies
3
Views
2K
When and how did math click for you?
  • · Replies 34 ·
2
Replies
34
Views
6K
High School Why Do Basic Math Operations and Properties Seem Confusing?
  • · Replies 13 ·
Replies
13
Views
3K
High School Understanding Trigonometric Functions: Solving for Length AD
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Understanding Absolute Value in Thermodynamics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Where should you sit in a circular pecking order?
  • · Replies 6 ·
Replies
6
Views
3K
MHB Witness Minnesota Fats' Amazing Trick Shot: Angle MAZ
  • · Replies 8 ·
Replies
8
Views
3K
MHB STEP Paper 1 Q3 1998: True False Justification
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad General form vs Standard form of a line
  • · Replies 5 ·
Replies
5
Views
29K
Can there ever be a finite pattern?
  • · Replies 8 ·
Replies
8
Views
2K
MHB Setting up systems of equations
  • · Replies 2 ·
Replies
2
Views
2K
News Most UK MPs don't understand probability.
  • · Replies 25 ·
Replies
25
Views
5K
MHB Equation Logarithmic: Solve x | MHB Help
  • · Replies 7 ·
Replies
7
Views
3K
Graduate How can I find the general form of a recursive formula?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad How Do You Calculate the Base of a Triangle for Scribing an Arc in Construction?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Non-trigonometric parametric equation of a circle
  • · Replies 4 ·
Replies
4
Views
3K
MHB 6 Successive numbers no one is prime
  • · Replies 8 ·
Replies
8
Views
7K
MHB Toothpicks in the nth figure problem where the figures are "L" shaped triangles
  • · Replies 6 ·
Replies
6
Views
12K
Undergrad Do Zero Magnitude Vectors Have Direction?
  • · Replies 8 ·
Replies
8
Views
4K
High School Math terms and how important are they in college?
  • · Replies 7 ·
Replies
7
Views
2K
MHB Figuring Out Angles to Build a Desk
  • · Replies 3 ·
Replies
3
Views
3K
MHB C F Gauss, on how to add all numbers of 1 to 100?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Do Polynomial Degrees Determine the Number of Roots?
  • · Replies 18 ·
Replies
18
Views
4K
MHB What am I doing wrong in solving 28/68=b^14 for b?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Factoring Polynomial z^4-4z^3+6z^2-4z-15 =0
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Factorial of a negative number
  • · Replies 2 ·
Replies
2
Views
10K
Undergrad How can i know that this equation is a ellipse?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Finding the equation of the parabola
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Buoyancy Correction: Is Equation 1 Correct?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad How do I simplify this equation further?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate STEP question, I don't know what it is asking
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Jacobi Sums Explained: A Simple Guide with Examples
  • · Replies 3 ·
Replies
3
Views
2K
How Can We Make Math Appealing to Incoming Students?
  • · Replies 20 ·
Replies
20
Views
4K
High School Definition of additive inverse and operation of negation.
  • · Replies 12 ·
Replies
12
Views
5K
Graduate Is the Cubic Function Inversely Symmetric about its Point of Inflection?
  • · Replies 2 ·
Replies
2
Views
23K
Undergrad Possible values of X and Y for the problem
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Can Weight Ratio Be Used to Solve Area Problems in Engineering?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad What is the generic term for domain & range?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Price, Supply, and Demand Questions II
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Solving Absolute Value Inequalities: A Deeper Understanding
  • · Replies 6 ·
Replies
6
Views
3K
MHB Solve Exponential: Division w/ln - Answer Not Found
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Finding general solution of Radical Equation
  • · Replies 2 ·
Replies
2
Views
2K
High School Distributing into a square root
  • · Replies 6 ·
Replies
6
Views
18K
High School Negative number multiplied by a negative number
  • · Replies 11 ·
Replies
11
Views
4K
MHB Solving for a in Logarithmic Equation: x(x-15)=2
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Sum of Sums over Primes that Divide the Index
  • · Replies 1 ·
Replies
1
Views
2K
High School How Does Long Division Explain 1 Divided by 2 Equals 0.5?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Finding all solutions to non-linear system numericaly
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Finding Quartic Roots Without Knowing One Factor
  • · Replies 13 ·
Replies
13
Views
3K
Graduate What would be the impact of solving the Riemann hypothesis?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Is Fermat's Marginal Proof the Key to Solving His Last Theorem?
  • · Replies 7 ·
Replies
7
Views
3K
MHB Question about perspective and which mountain is taller
  • · Replies 6 ·
Replies
6
Views
3K
MHB Relational algebra - What does "in" mean and how is it different than "="?
  • · Replies 3 ·
Replies
3
Views
3K
High School Why is zero considered an important number?
  • · Replies 10 ·
Replies
10
Views
5K
High School Why is Division harder than Multiplication?
  • · Replies 16 ·
Replies
16
Views
7K
MHB Misunderstanding between converting radians and degrees
  • · Replies 19 ·
Replies
19
Views
7K
MHB Solving Quadratic Equations: Tips & Tricks for Beginners
  • · Replies 9 ·
Replies
9
Views
3K
MHB Using linear systems to solve problems (2)
  • · Replies 2 ·
Replies
2
Views
2K
High School Pre-Calculus online class question
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Understanding Division in Index Notation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Prove Equivalence of Two Functions - Convolution Identity
  • · Replies 1 ·
Replies
1
Views
2K
MHB Simultaneous equations in word form (2)
  • · Replies 3 ·
Replies
3
Views
2K
High School Why is intuition important in mathematics?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Solve the BEASTly Trapezoids Puzzle: Find the 4 Heights
  • · Replies 3 ·
Replies
3
Views
2K
MHB Steps and logic on how to properly show discount
  • · Replies 1 ·
Replies
1
Views
2K
MHB Get Expert Numerical Analysis Help with Vyew - Collaborative Online Tool
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Verify if 0.9999 is Equal to 1
  • · Replies 2 ·
Replies
2
Views
2K
High School Why are quadratic equations set equal to 0?
  • · Replies 9 ·
Replies
9
Views
26K
High School How to calculate percentage of exam mark?
  • · Replies 2 ·
Replies
2
Views
14K
High School Why Do We Use the Reciprocal in Fraction Division?
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Is There a Relation Between cos5A and cosA, sin4A and sinA?
  • · Replies 12 ·
Replies
12
Views
4K
MHB What is the Value of x+y in These Two Quadratic Equations?
  • · Replies 3 ·
Replies
3
Views
2K
High School Mixing bracket types when writing solutions?
  • · Replies 12 ·
Replies
12
Views
3K
High School Are Negative Angles Important in Geometry?
  • · Replies 7 ·
Replies
7
Views
10K
MHB Irrationality of sum of roots of primes.
  • · Replies 2 ·
Replies
2
Views
3K
High School Simplifying equations. Orders of operation.
  • · Replies 8 ·
Replies
8
Views
3K
MHB How do I find cos and sin values without a calculator?
  • · Replies 4 ·
Replies
4
Views
2K
Witness 1000 Digits of Pi in the Sky Over SF
  • · Replies 2 ·
Replies
2
Views
2K
MHB Triangles: Short Leg-Longer Leg-Hypotenuse a=448
  • · Replies 2 ·
Replies
2
Views
1K
MHB I think this Aperiodical post is rather interesting
  • · Replies 1 ·
Replies
1
Views
4K
MHB ABC Conjecture Proof: News, 500-Page Claim | ScienceMag
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad The Role of Symmetry and the Number 5 in Understanding Circles
  • · Replies 22 ·
Replies
22
Views
5K
Graduate Investigation of binary numbers
  • · Replies 33 ·
2
Replies
33
Views
7K
MHB Expanding and Removing Brackets
  • · Replies 4 ·
Replies
4
Views
2K
MHB Equation of Circle Centered at (-3,4) Touches Y-Axis
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Discrete Fourier Transform with different period
  • · Replies 1 ·
Replies
1
Views
2K
MHB Graph x=(x-2)^2: Find x = -2 & x = 2 Roots
  • · Replies 10 ·
Replies
10
Views
3K
MHB Why is 2x - 4 less than 1 in this inequality?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Odd Perfect number must have the form r^{4n+1} p^2
  • · Replies 1 ·
Replies
1
Views
2K