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
MHB How Do You Calculate Profit from Selling T-Shirts?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How to Calculate an Offset for Centre of Gravity using Weight and Distance?
  • · Replies 1 ·
Replies
1
Views
3K
MHB How Many Baseball Cards Could Each Person Have Received at the Stadium?
  • · Replies 2 ·
Replies
2
Views
4K
MHB Find remainder when (2∗4∗6∗8⋯∗2016)−(1∗3∗5∗7⋯∗2015) is divided by 2017
  • · Replies 2 ·
Replies
2
Views
2K
MHB Finding Missing Angle Within A Triangle
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Can Division by Zero Be Solved in Mathematics?
  • · Replies 2 ·
Replies
2
Views
2K
High School Math olympiad basic number theory problem
  • · Replies 15 ·
Replies
15
Views
2K
MHB Defining Prime Factors, Greatest Common Factor, Least Common Multiple
  • · Replies 4 ·
Replies
4
Views
2K
MHB How many triangles can be proclaimed as right angled ?
  • · Replies 4 ·
Replies
4
Views
2K
High School Is the Proof for If a Divides b^2, then a Divides b Correct?
  • · Replies 25 ·
Replies
25
Views
12K
MHB Find Value of $x-y+z$ in $x,y,z \in N$
  • · Replies 2 ·
Replies
2
Views
1K
MHB How to Solve a Log Equation with Different Bases?
  • · Replies 5 ·
Replies
5
Views
2K
High School What is a good book to learn about elementary mathematics?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Graph Theory: I understanding the corollaries
  • · Replies 2 ·
Replies
2
Views
1K
MHB Finding Side Lengths: Where to Begin?
  • · Replies 3 ·
Replies
3
Views
2K
High School Are Hypercomplex Extensions Like g²=i Practically Useful in Mathematics?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Scaling : ratio and proportion
  • · Replies 7 ·
Replies
7
Views
3K
MHB What are the steps to solving simultaneous equations using substitution?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Every graph GG containing a cycle satisfies g(G)≤2d+1
  • · Replies 10 ·
Replies
10
Views
3K
MHB Is MathTV the Number One Online Resource for Precalculus Help?
  • · Replies 8 ·
Replies
8
Views
2K
MHB I need to find the midpoint of ST
  • · Replies 10 ·
Replies
10
Views
2K
High School Calculate angles from infomation given
  • · Replies 9 ·
Replies
9
Views
1K
MHB Useful facts Indeed Finding A Mersenne Prime
  • · Replies 6 ·
Replies
6
Views
2K
MHB Ratios and proportion: Scaling
  • · Replies 3 ·
Replies
3
Views
2K
MHB Sum of 2 Primes: 45 - (2 Digit Integer)?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad The creation of open problems in Mathematics
  • · Replies 2 ·
Replies
2
Views
1K
MHB Function - one linear, one rational - is the following True or False
  • · Replies 2 ·
Replies
2
Views
2K
High School What were the contributions of the hidden figures to the early space program?
  • · Replies 14 ·
Replies
14
Views
3K
MHB Prove a_n=⌊2^n√2⌋ contains infinitely many composite numbers
  • · Replies 3 ·
Replies
3
Views
2K
MHB Can the Sum of Two Unknown Variables be Determined with Limited Information?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Paper About the Riemann Zeta Function
  • · Replies 2 ·
Replies
2
Views
2K
MHB What is the formula for calculating pulley diameters and rates of revolution?
  • · Replies 6 ·
Replies
6
Views
2K
MHB Rectangles & Squares - Finding a Numerical Measure
  • · Replies 3 ·
Replies
3
Views
2K
MHB "Bearing" question - finding distance between two objects
  • · Replies 2 ·
Replies
2
Views
4K
MHB The Magic of Algebra: Solving Word Problems with Equations
  • · Replies 4 ·
Replies
4
Views
3K
MHB How many dimes does Ginger have?
  • · Replies 6 ·
Replies
6
Views
2K
MHB RSA Explained: Intro for Layman, Number Theory Basics
  • · Replies 2 ·
Replies
2
Views
2K
MHB Analytic Geometry: Lines Problem
  • · Replies 5 ·
Replies
5
Views
2K
High School Are All Points on a Sphere Considered Dimensions?
  • · Replies 4 ·
Replies
4
Views
1K
MHB Solving Ratios & Proportions Questions - Get Help Here!
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad What resources are there for RSA for the layman?
  • · Replies 3 ·
Replies
3
Views
2K
MHB HSO4^-1 as Arrhenius & Bronsted-Lowry Acid/Base
  • · Replies 1 ·
Replies
1
Views
2K
MHB Not that Obvious: Missing Numbers In A Table
  • · Replies 11 ·
Replies
11
Views
3K
MHB Find a solution using the table
  • · Replies 1 ·
Replies
1
Views
4K
MHB Expressing a polynomial P(x)=(x−a)^2(x−b)^2+1 by two other polynomials
  • · Replies 2 ·
Replies
2
Views
2K
MHB How Can You Expand a High-Power Binomial Expression Using a Shortcut Technique?
  • · Replies 1 ·
Replies
1
Views
2K
High School Retired Statistician Proves GCI Theorem
  • · Replies 1 ·
Replies
1
Views
1K
MHB Length of Wire and Area of Squares: Solving for the Length of Each Piece
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Another negative one equals one proof
  • · Replies 7 ·
Replies
7
Views
1K
Undergrad Angle between vectors via scalar product vs vector product
  • · Replies 3 ·
Replies
3
Views
2K
MHB [ASK] Is This Debit Question Solvable?
  • · Replies 2 ·
Replies
2
Views
2K
MHB What is the Perimeter of Triangle ABC?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Find y-coordinates of the Points
  • · Replies 2 ·
Replies
2
Views
2K
MHB Find Center and Radius of Circle
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Micromass' big October challenge
  • · Replies 125 ·
5
Replies
125
Views
20K
MHB How Do A and B as Roots Verify the Properties of a Quadratic Equation?
  • · Replies 11 ·
Replies
11
Views
3K
MHB How can language proficiency affect understanding of math concepts?
  • · Replies 6 ·
Replies
6
Views
2K
MHB What are the 11 General Orders of a Sentry in the US Navy?
  • · Replies 17 ·
Replies
17
Views
3K
MHB How do we find the sum of the roots in a quadratic equation?
  • · Replies 4 ·
Replies
4
Views
2K
MHB How Do You Write an Expression for the Cost of Running a Machine?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Finding a third degree polynomial... stumped
  • · Replies 5 ·
Replies
5
Views
3K
MHB What are f(0), f(1), and f(-1) in the equation f(x)= 2x^2- 3x+ 7?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Incircle and circumscribed circle prove :d=√(R(R−2r))
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Mathematical proofs, physics and time management
  • · Replies 2 ·
Replies
2
Views
2K
MHB How to Calculate Equilibrium Price with Given Information?
  • · Replies 1 ·
Replies
1
Views
2K
High School Are there really 4 fundamental math operations?
  • · Replies 57 ·
2
Replies
57
Views
11K
MHB Solving Equation: x = sqrt(3x + x^2 - 3sqrt(3x + x^2))
  • · Replies 2 ·
Replies
2
Views
1K
MHB Prove Triangle Inequality: $\sum_{cyc} \sin A$
  • · Replies 1 ·
Replies
1
Views
2K
MHB Which Gas Behaves Closest to an Ideal Gas?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Explaining Copper(2) Oxide Bonding & ECs
  • · Replies 5 ·
Replies
5
Views
3K
MHB Which method is easier and why?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Radical Equation Without Constant
  • · Replies 4 ·
Replies
4
Views
1K
MHB Distance Across I Don't Know Where to Begin
  • · Replies 8 ·
Replies
8
Views
2K
MHB How can I solve radical equations using the given hint?
  • · Replies 2 ·
Replies
2
Views
1K
High School Measuring Length: Accurately Calculate Coastline Length
  • · Replies 3 ·
Replies
3
Views
1K
MHB Can These Expressions Be Factored Correctly?
  • · Replies 2 ·
Replies
2
Views
2K
MHB How do you factor (p)^3 - 8c^3 when p = (a + b) and b = 2c?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Factoring x^2 + 64: Is it Possible?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Stuck on the sides of a triangle problem
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Spherical Angle Math: Pyramid Angles Constant?
  • · Replies 2 ·
Replies
2
Views
2K
High School Squaring both sides of an equation?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Find t to Satisfy e^iat=e^ia_0, e^ibt=e^ib_0, e^ibct=e^ic_0
  • · Replies 4 ·
Replies
4
Views
1K
Graduate What is the angle of perspective for circles in a view of The London Eye?
  • · Replies 10 ·
Replies
10
Views
3K
High School Fun way of doing multiplication with intersecting lines
  • · Replies 5 ·
Replies
5
Views
1K
MHB How Do I Factor This Expression?
  • · Replies 6 ·
Replies
6
Views
2K
MHB Please help me understand my Credit Card Module Project
  • · Replies 2 ·
Replies
2
Views
2K
MHB Yes, that is correct! Great job factoring the expression.
  • · Replies 2 ·
Replies
2
Views
1K
MHB Can I Factor 4a^2b^2 - 9(ab + c)^2?
  • · Replies 4 ·
Replies
4
Views
1K
MHB What Determines the Degree and Coefficients of Polynomials?
  • · Replies 4 ·
Replies
4
Views
3K
MHB Number of Integers Between √19 and √90
  • · Replies 2 ·
Replies
2
Views
2K
MHB How can I solve the equation to find the value of k when the roots differ by 2?
  • · Replies 8 ·
Replies
8
Views
2K
MHB What is the value of n in 8x^2+4x+n if the expression has real roots?
  • · Replies 6 ·
Replies
6
Views
2K
MHB Arithmetic Concepts: Get Help Understanding Problems
  • · Replies 3 ·
Replies
3
Views
2K
MHB Check whether the conicoid central or not
  • · Replies 1 ·
Replies
1
Views
2K
MHB Solving Inequality: Get Help with (Uw-UL)<a-B
  • · Replies 6 ·
Replies
6
Views
2K
MHB Why is the domain of ax^(1/3) + b equal to all real numbers?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Can Cubic Roots and Square Roots Combine to Equal One?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Is my factoring correct for these polynomials?
  • · Replies 3 ·
Replies
3
Views
2K
Insights Simple Geometry, Deep Math - Comments
  • · Replies 26 ·
Replies
26
Views
5K
Graduate Math/Science Books that grow on you
  • · Replies 3 ·
Replies
3
Views
1K