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

MHB Math Problem of the Week

POTW Sum of an Alternating Series
MHB Calculating Sand Volume for a Cylindrical Containment Vessel
  • · Replies 2 ·
Replies
2
Views
1K
B Do I have enough information to find the radius?
  • · Replies 16 ·
Replies
16
Views
2K
MHB Combinatorics: Order in a line by 2 conditions
  • · Replies 1 ·
Replies
1
Views
1K
B Tournament Permutation Problem
  • · Replies 9 ·
Replies
9
Views
2K
I How Can Nested Summation Functions Be Simplified or Reversed?
  • · Replies 6 ·
Replies
6
Views
2K
MHB Proving Two Triangles are Congruent
  • · Replies 3 ·
Replies
3
Views
2K
I {Edit-Solved} Confirmation requested on deriving functions from graphs
  • · Replies 4 ·
Replies
4
Views
1K
A Help needed with derivation: solving a complex double integral
  • · Replies 1 ·
Replies
1
Views
2K
I Residual of an algebraic equation
  • · Replies 1 ·
Replies
1
Views
1K
I Standard way of expressing 'no proof given'?
  • · Replies 11 ·
Replies
11
Views
2K
MHB -4.3.1 find quadratic eq given 3 pts
  • · Replies 5 ·
Replies
5
Views
13K
I The behavior of a potential-like integral at infinity
  • · Replies 21 ·
Replies
21
Views
2K
MHB Rejecting the Hypothesis of a Fair Coin: Confidence Level?
  • · Replies 1 ·
Replies
1
Views
952
MHB 6.2.8 {{k,4},{3,k}}=k what is k
  • · Replies 3 ·
Replies
3
Views
1K
B Higher Roots of Positive Numbers
  • · Replies 3 ·
Replies
3
Views
1K
B Moving along one axis in a four-dimensional plane
  • · Replies 13 ·
Replies
13
Views
2K
B Strange Relationships of the Circle
  • · Replies 10 ·
Replies
10
Views
2K
I How Does the A/B Relationship Connect to Geometric Series?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Continuous, discontinuous and piece-wise function
  • · Replies 4 ·
Replies
4
Views
1K
I Finance: does the volatility of a stock follow a certain distribution?
  • · Replies 24 ·
Replies
24
Views
4K
B CDC International 4 Level Travel Notice System Math Calculations
  • · Replies 1 ·
Replies
1
Views
1K
B How to express ##3^{\sqrt(2)}## in terms of natural logarithms
  • · Replies 10 ·
Replies
10
Views
1K
MHB Is This Function a Polynomial?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Can an Ellipse Help Solve the Scalene Triangle Problem?
  • · Replies 1 ·
Replies
1
Views
1K
MHB What is the internal tangent circle problem for three given circles?
  • · Replies 1 ·
Replies
1
Views
1K
B Why are the values (-1.618, 0) and (0.618 ,0) solutions for this equation?
  • · Replies 44 ·
2
Replies
44
Views
5K
MHB Limit Laws and Techniques: What is the difference between left and right limits?
  • · Replies 2 ·
Replies
2
Views
916
B Why Is a Cubic Polynomial Called 'Third Degree'?
  • · Replies 3 ·
Replies
3
Views
2K
B Finding Online PEMDAS Calculators
  • · Replies 10 ·
Replies
10
Views
2K
I Elementary Functions - What Is The Exact Definition?
  • · Replies 8 ·
Replies
8
Views
2K
A Simplifying a double summation
  • · Replies 3 ·
Replies
3
Views
2K
B Self-descriptive Physical Object
  • · Replies 33 ·
2
Replies
33
Views
3K
MHB -7.8.98 amplitude period PS VS graph. of cos eq
  • · Replies 5 ·
Replies
5
Views
1K
MHB 7.t.27 write eq for a sinusiol graph
  • · Replies 2 ·
Replies
2
Views
1K
B Square Root of an Odd Powered Integer is Always Irrational?
  • · Replies 31 ·
2
Replies
31
Views
3K
MHB Finding the Measure of Angle KPM Using Angle Bisector Theorem
  • · Replies 2 ·
Replies
2
Views
1K
MHB A-level Mechanics Q3: Need Help w/Calculations
  • · Replies 6 ·
Replies
6
Views
1K
B Surface that when superimposed takes any one point to any other point
  • · Replies 29 ·
Replies
29
Views
2K
MHB How Can the Given Definite Integral Identity Be Proven for Any Natural Number n?
  • · Replies 8 ·
Replies
8
Views
4K
I Geometry/Trig Problem -- Well Constrained but Difficult
  • · Replies 29 ·
Replies
29
Views
2K
I Sigma notation for only even index iterations
  • · Replies 11 ·
Replies
11
Views
3K
MHB Calculating LCM with Multiple Prime Factors
  • · Replies 7 ·
Replies
7
Views
2K
I Understanding 3D circle parameterization
  • · Replies 6 ·
Replies
6
Views
2K
MHB Graph of $y=\sin{x}-2$ on the domain $[0,2\pi]$
  • · Replies 2 ·
Replies
2
Views
1K
I Why did I lose 60% on my proof of Generalized Vandermonde's Identity?
  • · Replies 3 ·
Replies
3
Views
1K
I The number of intersection graphs of ##n## convex sets in the plane
  • · Replies 2 ·
Replies
2
Views
1K
I Is Group Multiplication Possible in Non-Mathematical Topics?
  • · Replies 6 ·
Replies
6
Views
3K
MHB Why is the derivative of |x| not defined at x=0?
  • · Replies 6 ·
Replies
6
Views
1K
MHB Problems involving Trigonometric Identities
  • · Replies 4 ·
Replies
4
Views
1K
I Relationship between factorials and squares of natural numbers
  • · Replies 12 ·
Replies
12
Views
3K
I Transformation of Functions: How Do Domain and Range Change?
  • · Replies 4 ·
Replies
4
Views
2K
MHB What are the coordinates of points equidistant from (1,0) and (5,4)?
  • · Replies 6 ·
Replies
6
Views
1K
MHB What's the best strategy to solving this Integral in 3 minutes?
  • · Replies 4 ·
Replies
4
Views
1K
MHB Troubleshooting Inequality: Can't Seem to Solve the Last One
  • · Replies 2 ·
Replies
2
Views
987
MHB -7.8.1 Amp, Period, PS, VS of 3cos(\pi x-2)+5
  • · Replies 5 ·
Replies
5
Views
1K
MHB You have only 3 minutes for a better solution to this integral
  • · Replies 2 ·
Replies
2
Views
922
MHB How many stickers did Angel and Kareem have altogether?
  • · Replies 1 ·
Replies
1
Views
918
I Need help coming up with an equation for a bend angle calculation
  • · Replies 7 ·
Replies
7
Views
2K
B Periodic spiral graph interpretation
  • · Replies 17 ·
Replies
17
Views
2K
B Can I use the circle circumference formula for a sphere?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Find the missing number in the series please
  • · Replies 1 ·
Replies
1
Views
830
Moving the graph to the right -- What do you think?
  • · Replies 3 ·
Replies
3
Views
3K
I How to create a fair distribution algorithm?
  • · Replies 1 ·
Replies
1
Views
1K
I Finding vertex of a 3D Triangle on a Plane
  • · Replies 3 ·
Replies
3
Views
2K
MHB Rearranging Formulas: Finding W in Terms of M and L
  • · Replies 5 ·
Replies
5
Views
2K
MHB Find the inverse of f(x) in 4 minutes
  • · Replies 7 ·
Replies
7
Views
1K
A Trick to Memorizing Trig Special Angle Values Table
  • · Replies 3 ·
Replies
3
Views
1K
MHB Can you find the area of the blue triangle in just 3 minutes?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Decreasing Values: 1.000000 to 0.670625
  • · Replies 2 ·
Replies
2
Views
924
I Factoring Matrices with Elementary Row Operations
  • · Replies 4 ·
Replies
4
Views
2K
A Index Notation of div(a:b) and div(c^transpose d)
  • · Replies 4 ·
Replies
4
Views
2K
B Hilbert's paradox of the Grand Hotel - An easier solution?
  • · Replies 73 ·
3
Replies
73
Views
5K
MHB Mechanics- connected particles
  • · Replies 6 ·
Replies
6
Views
1K
MHB The Benefits of Organic Gardening"Organic Gardening: Unlocking Nature's Benefits
  • · Replies 1 ·
Replies
1
Views
855
MHB The Benefits of Learning a Second Language
  • · Replies 2 ·
Replies
2
Views
1K
MHB Why Is Standard Deviation Calculated as 10√2 Instead of 14?
  • · Replies 6 ·
Replies
6
Views
2K
I Why does the integral of sine of x^2 from - infinity to + infinity diverge?
  • · Replies 4 ·
Replies
4
Views
2K
B How do mathematicians come up with new proofs?
  • · Replies 4 ·
Replies
4
Views
2K
B Happy Christmas: Is it Really True?
  • · Replies 2 ·
Replies
2
Views
1K
B Accuracy of a smith's crafted metal disc
  • · Replies 13 ·
Replies
13
Views
1K
I Is There a Hidden Pattern in This Sequence of Numbers?
  • · Replies 7 ·
Replies
7
Views
2K
B How to calculate size of objects in digital photo
  • · Replies 19 ·
Replies
19
Views
3K
MHB -6.1.12 solve for x 3^{2x}=105
  • · Replies 6 ·
Replies
6
Views
1K
MHB Calculating Total Area Under a Trapezoidal Curve for Water Tank Fill Time
  • · Replies 3 ·
Replies
3
Views
1K
MHB -s6.6 solve exponential eq 3^x-14\cdot 3^{-x}=5
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solving g(x)-h(x) <0: Find a, b, c, d
  • · Replies 2 ·
Replies
2
Views
1K
B The difference between the symbols ##=## and ##\equiv##
  • · Replies 6 ·
Replies
6
Views
1K
B Is there a function for every possible "path"?
  • · Replies 19 ·
Replies
19
Views
2K
MHB B12 using counters of algebra eq
  • · Replies 2 ·
Replies
2
Views
1K
MHB B20.<= to the length of the dividend
  • · Replies 1 ·
Replies
1
Views
924
I Proof of average height of half circle
  • · Replies 19 ·
Replies
19
Views
3K
MHB Calculating rates of two points moving along a circle
  • · Replies 4 ·
Replies
4
Views
1K
MHB -c5.LCM and Prime Factorization of A,B,C
  • · Replies 3 ·
Replies
3
Views
1K
MHB -c6. Find the GCF and the LCF of A and B.
  • · Replies 1 ·
Replies
1
Views
1K
What is the most difficult text on mathematics?
  • · Replies 169 ·
6
Replies
169
Views
29K
I Question regarding writing proofs
  • · Replies 4 ·
Replies
4
Views
1K
MHB -c11.interpretation of division
  • · Replies 1 ·
Replies
1
Views
949
I Any tools that can help find the equation for a set of data?
  • · Replies 3 ·
Replies
3
Views
1K
MHB -c03 write prime factorization of the LCM of A and B
  • · Replies 3 ·
Replies
3
Views
932
I Linus Pauling on the Role of Numbers in Science: A Request for Reference
  • · Replies 2 ·
Replies
2
Views
1K