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 Mechanics-Conical pendulum, circular motion
  • · Replies 1 ·
Replies
1
Views
2K
My favorite type of paper to work problems on
  • · Replies 15 ·
Replies
15
Views
2K
MHB 3 consecutive terms of AP that are perfect square
  • · Replies 2 ·
Replies
2
Views
2K
MHB Factorization of an expression
  • · Replies 5 ·
Replies
5
Views
2K
High School Is there ever a time when the simplest solution won't work?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Find the range of values for abc and a + b + c
  • · Replies 4 ·
Replies
4
Views
2K
MHB Can you prove the cosine rule for three angles in a triangle?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad [Building a camera] I would like help developing a function.
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Is there a general test for chirality?
  • · Replies 7 ·
Replies
7
Views
3K
MHB Finding $m+n+k$ Given $f(x)=x^4-29x^3+mx^2+nx+k$
  • · Replies 3 ·
Replies
3
Views
1K
MHB What is the least value of the sum $|p-1|+|p-2|+\cdots+|p-10|$?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Finding $q$ in a Polynomial with Negative Integer Roots
  • · Replies 3 ·
Replies
3
Views
2K
High School Confused about what the standard order is?
  • · Replies 18 ·
Replies
18
Views
2K
High School Problem of solving the cubic function
  • · Replies 4 ·
Replies
4
Views
2K
MHB Applications of quadratic residues
  • · Replies 2 ·
Replies
2
Views
3K
MHB What is the smallest possible value of y for given x and y?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Find the number of real solution(s)
  • · Replies 2 ·
Replies
2
Views
2K
MHB Does the equation $a^2=b^4+b^2+1$ have integer solutions?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Solving Log10(x)^log10(log10X)=10000
  • · Replies 3 ·
Replies
3
Views
2K
High School Is x equal to the 4th root of y in the equation y=x^4?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Finding Integer Solutions to $1998a+1996b+1=ab$
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Black-Scholes Formula Discussion | Forum
  • · Replies 1 ·
Replies
1
Views
1K
MHB What is the sum of all positive solutions?
  • · Replies 3 ·
Replies
3
Views
2K
MHB How to graph Vab as a function of current(I)?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Simplifying with square roots?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What Mathematics used to be done before Newton? (No Philosophy)
  • · Replies 16 ·
Replies
16
Views
4K
MHB State the differences between an expression and its simplified equivalent.
  • · Replies 2 ·
Replies
2
Views
1K
MHB Solve Equation V: Real X Solutions
  • · Replies 2 ·
Replies
2
Views
1K
Get Ready for the Waterloo Math Contest!
  • · Replies 1 ·
Replies
1
Views
2K
What is the proposed scale for rating mathematical acumen?
  • · Replies 6 ·
Replies
6
Views
5K
MHB Trigonometry and Triangle Questions
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Trig Equation: Is This Procedure Correct?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Why is Two Considered Prime Despite Its Complex Factors?
  • · Replies 8 ·
Replies
8
Views
2K
MHB What Are the Steps to Simplify Algebraic Expressions?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Find the smallest possible value of a fraction
  • · Replies 2 ·
Replies
2
Views
1K
MHB Diffraction Grating: Uses, Light as Particle & When - 65 characters
  • · Replies 1 ·
Replies
1
Views
2K
MHB When two resistors are in parallel....(rational functions)
  • · Replies 1 ·
Replies
1
Views
2K
MHB Determine the ratio of the base to the perimeter.
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Could a Computer Solve All Mathematical Conjectures and Revolutionize Science?
  • · Replies 13 ·
Replies
13
Views
2K
MHB Physics-Anybody explain why B is correct?
  • · Replies 6 ·
Replies
6
Views
2K
MHB How to Plant an Herb Garden""Planting an Herb Garden
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What Do Fc and Vc Represent in the Frequency-Wavelength Equation?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why does the unit vector r-hat always point away from a charge?
  • · Replies 20 ·
Replies
20
Views
10K
Graduate What is this called? A general solution?
  • · Replies 27 ·
Replies
27
Views
5K
MHB Determining $a_7$ with Given Conditions
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Can a Torus Be Created with Checkerboard Quadrilateral Faces?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Math Struggles: My Little Bro's Story
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Relation between inverse trigonometric function
  • · Replies 11 ·
Replies
11
Views
6K
MHB Need help solving exponential problem
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Inequalities and Rearranging equations
  • · Replies 1 ·
Replies
1
Views
2K
MHB How Do You Calculate the Minimal Path Sum in Coordinate Geometry?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Find $x$ and $y$: $\sqrt {x+1}+\sqrt {y+1}=3$, $xy-x-y+15=0$
  • · Replies 2 ·
Replies
2
Views
1K
MHB Finding Coordinates on a circle with time/speed
  • · Replies 3 ·
Replies
3
Views
7K
MHB Finding a radius when an angular speed in RPM is given
  • · Replies 4 ·
Replies
4
Views
13K
MHB Finding focus, given four tangents
  • · Replies 6 ·
Replies
6
Views
3K
MHB Mixture Problem: Find Amount of Stronger Solution Needed
  • · Replies 5 ·
Replies
5
Views
2K
High School Slope of the perpendicular line on the other line
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Higher algebra by hall & knight
  • · Replies 3 ·
Replies
3
Views
3K
MHB How Long Should Milo and Bernard Paddle Downstream to Meet Vince by 5 P.M.?
  • · Replies 7 ·
Replies
7
Views
2K
MHB Calculating Land Area for an Olympic Track: A Linear Equation Application
  • · Replies 6 ·
Replies
6
Views
3K
MHB Application of linear equation
  • · Replies 6 ·
Replies
6
Views
2K
MHB Simplify (Adding and Subtracting Rational Functions)
  • · Replies 2 ·
Replies
2
Views
2K
MHB Polynomials and Roots: Properties and Analysis
  • · Replies 1 ·
Replies
1
Views
2K
MHB Need help solving this logarithmic problem
  • · Replies 5 ·
Replies
5
Views
2K
MHB Is it True That for any Pythagorean Triple, $(\frac ca + \frac cb)^2 > 8$?
  • · Replies 7 ·
Replies
7
Views
2K
MHB Restrictions on Variables for Simplified Expression
  • · Replies 8 ·
Replies
8
Views
12K
MHB Proof of Inequality: $x^2 + xy^2 + xyz^2 \geq 4xyz - 4$
  • · Replies 7 ·
Replies
7
Views
2K
High School Is 0<d,l<1 equivalent to writing separately 0<d<1 and 0<l<1 ?
  • · Replies 10 ·
Replies
10
Views
2K
MHB How can the properties of logarithms be used to simplify and solve equations?
  • · Replies 3 ·
Replies
3
Views
2K
MHB What are the ordered pairs for (1+a!)(1+b!) = (a+b)!?
  • · Replies 1 ·
Replies
1
Views
939
MHB What am I doing wrong? (Simplifying Rational Expressions)
  • · Replies 2 ·
Replies
2
Views
2K
MHB Simplify and state any restrictions on the variables.
  • · Replies 2 ·
Replies
2
Views
2K
MHB Simplify and state any restrictions on the variables.
  • · Replies 2 ·
Replies
2
Views
2K
High School Mastering Quartic & Quintic Graphing w/o a Calculator for Pre-Calc 12
  • · Replies 3 ·
Replies
3
Views
2K
MHB Finding equation of parabola with 3 points given
  • · Replies 4 ·
Replies
4
Views
6K
MHB Diophantine equation ax-by=c has infinitely many solutions
  • · Replies 12 ·
Replies
12
Views
8K
MHB How can I prove that gcd(a,b) is an integer and gcd(a/b, b/h) = 1?
  • · Replies 2 ·
Replies
2
Views
2K
MHB What Are the Integer Solutions for the Equation Involving Powers of Two?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Find $m$ in Real Numbers: $x,y\in R$
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Intersection of a 45 degree angle and an ellipse
  • · Replies 8 ·
Replies
8
Views
4K
MHB Speed of sound - Uniform motion- linear equation application
  • · Replies 11 ·
Replies
11
Views
4K
MHB Johns Born Same Day: 24M Humans, 4 Letters
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why Do Hyperbolic Functions Require Complementary Functions Like Abs and Sgn?
  • · Replies 8 ·
Replies
8
Views
2K
MHB Solving Word Problem - Linear equations
  • · Replies 9 ·
Replies
9
Views
5K
MHB What Are the Possible Values of the Sum from a 2012-Degree Polynomial Solution?
  • · Replies 3 ·
Replies
3
Views
2K
MHB How Do You Transpose the Data Shown in These Pictures?
  • · Replies 7 ·
Replies
7
Views
2K
High School How to understand Logarithms, Fundamentally
  • · Replies 13 ·
Replies
13
Views
5K
MHB Find all solutions in integers of (a, b)
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Polar Coordinates - Graphing the points of when theta<0
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Computable Normal Numbers: Is There a Known Answer?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Finding Positive Integer Solutions for (2^n+1)/(n^2)
  • · Replies 4 ·
Replies
4
Views
2K
MHB DFT for convolution like operation.
  • · Replies 2 ·
Replies
2
Views
2K
MHB Find Infinite Product: $\sqrt{\frac{1}{2}}$
  • · Replies 2 ·
Replies
2
Views
1K
MHB Metallurgy- Road Construction - linear equation
  • · Replies 1 ·
Replies
1
Views
3K
MHB Prove Geometry Inequality: 60° ≤ ($aA$+$bB$+$cC$)/($a$+$b$+$c$) < 90°
  • · Replies 2 ·
Replies
2
Views
2K
MHB Problem Solving 2 - linear Equation
  • · Replies 3 ·
Replies
3
Views
2K
MHB Find Positive Ints a,b,c Satisfying 1/ab+1/bc+1/ca=1/3
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Is my equation for counting primes unique or similar to existing equations?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Speed Required to Pass a Truck in 3 Seconds
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Uncovering the Discovery of e=2.7
  • · Replies 32 ·
2
Replies
32
Views
5K