General Math Forum

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.

Threads

Oxidation Numbers: Fe203+3CO to 2Fe+3CO2

  • markosheehan
  • · Replies 3 ·
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3

Is y = | x | - 2 Symmetric About the x-axis, y-axis, or Origin?

  • mathdad
  • · Replies 13 ·
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13

High school inequality 5 abc+acb+bca≥a+b+c.

  • solakis1
  • · Replies 5 ·
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5

How Can You Test for Symmetry in Mathematics?

  • mathdad
  • · Replies 3 ·
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3

High School What type of equation is this?

  • Const@ntine
  • · Replies 6 ·
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6

Oxidation and reduction question

  • markosheehan
  • · Replies 3 ·
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3

Finding Coordinates of Point B - Positional Vectors

  • Adhil
  • · Replies 8 ·
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8

Is the Fraction of Water Left in the Cooler Correct?

  • mathdad
  • · Replies 7 ·
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7

Is Precalculus Necessary for Success in Calculus 1?

  • mathdad
  • · Replies 4 ·
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4

High School What do sin, cos, and tan mean in trigonometry?

  • John Dalton
  • · Replies 23 ·
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23

Undergrad What is the Gamma Function and Its Significance in Mathematics?

  • iDimension
  • · Replies 2 ·
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2

Undergrad Should point B be at (-a cos θ, a sin θ) instead of (a cos θ, a sin θ)?

  • Shafia Zahin
  • · Replies 4 ·
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4

Undergrad Why are "irrational" and "transcendental" so commonly used to describe numbers

  • rumborak
  • · Replies 5 ·
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5

Prove ab + cd = -2C for circle intercepts

  • mathdad
  • · Replies 6 ·
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6

Equation of a Line Passing Through (-3, 4) and Parallel to the Y-Axis

  • mathdad
  • · Replies 6 ·
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6
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4

Is the function y = x + 2 one-to-one?

  • mathdad
  • · Replies 6 ·
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6

Finding the Equation of a Line through a Point and Circle Center?

  • mathdad
  • · Replies 2 ·
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2
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2

Does y = sqrt{anything} Qualify as a One-to-One Function?

  • mathdad
  • · Replies 4 ·
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4

Why is y = x^2 not one-to-one?

  • mathdad
  • · Replies 4 ·
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4

Is the function y = x^3 one-to-one? If not, why?

  • mathdad
  • · Replies 2 ·
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2

Why Restrict the Domain for Certain Functions?

  • mathdad
  • · Replies 6 ·
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6

Why do people criticize my love for math at 52 years old?

  • mathdad
  • · Replies 2 ·
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2

Proving the product relationship for circle intercepts

  • mathdad
  • · Replies 16 ·
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16

Finding the range of y = sqrt(2x - 4)

  • mathdad
  • · Replies 9 ·
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9
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6

High School Names of elements of any equation

  • pairofstrings
  • · Replies 15 ·
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15

Prove x-intercept sum relates to y-intercept sum as A to B

  • mathdad
  • · Replies 3 ·
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3

Finding the range of y = (x + 2)/(x - 2)

  • mathdad
  • · Replies 6 ·
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6

Finding the range of y = 1/(x + 4)

  • mathdad
  • · Replies 9 ·
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9

High School Need materials to learn about different types of fractions

  • awholenumber
  • · Replies 9 ·
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9

Domain of the rational function y = (6x² + 11x + 4)/(3x + 4)

  • mathdad
  • · Replies 16 ·
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16

What is the equation of a line with a slope of 0 and a y-intercept of 14?

  • mathdad
  • · Replies 4 ·
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4

Finding the Equation of a Line with Given Slope and Y-Intercept

  • mathdad
  • · Replies 4 ·
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4

How to graph a piecewise function with absolute value and cubic pieces

  • mathdad
  • · Replies 4 ·
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4

Finding intercepts of a piecewise-defined function

  • mathdad
  • · Replies 4 ·
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4

Undergrad Square of Dirac delta function

  • Happiness
  • · Replies 3 ·
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3

Does point (a, 4a) lie on the graph of y = 4x?

  • mathdad
  • · Replies 2 ·
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2

Does point (a - 1, a + 1) lie on y = x + 2?

  • mathdad
  • · Replies 1 ·
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1

Finding the Constant a for a Given Point on a Linear Equation

  • mathdad
  • · Replies 2 ·
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2

Undergrad Closed form for the sum 1^1+2^2+3^3+...+k^k

  • ddddd28
  • · Replies 6 ·
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6
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7

Is the perimeter numerically equal to the area in this equation?

  • mathdad
  • · Replies 2 ·
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2

How to Find Values of k for Equations with One Real Root?

  • mathdad
  • · Replies 2 ·
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2

How Do Absolute Values Express At Least and At Most Conditions?

  • mathdad
  • · Replies 2 ·
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2

High School Solving this logarithmic equation analytically

  • Mr Davis 97
  • · Replies 7 ·
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7

What Is the Height of the Pole in This Trigonometry Problem?

  • mathdad
  • · Replies 6 ·
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6
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1

How Can Absolute Value Definitions Be Used to Rewrite Expressions?

  • mathdad
  • · Replies 1 ·
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1

Is the Definition of Absolute Value Always True?

  • mathdad
  • · Replies 1 ·
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1

How do I rewrite expressions using absolute value?

  • mathdad
  • · Replies 1 ·
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1
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2

What are the essential precalculus concepts for success in calculus 1?

  • mathdad
  • · Replies 8 ·
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8

Equation of Circle Through Origin

  • mathdad
  • · Replies 6 ·
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6

How many minutes does it take 14 people to paint 14 walls

  • Devilsleone134
  • · Replies 2 ·
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2

Undergrad What are the implications of infinity?

  • david2
  • · Replies 31 ·
2
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31

Finding the Equation of a Circle Given Specific Conditions

  • mathdad
  • · Replies 4 ·
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4
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2

Why is the right side of the equation incorrect in 3^(2x) = 18x?

  • mathdad
  • · Replies 8 ·
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8

What is the value of x in the equation 7^(x) + 3^(x) = (2.1)^(-1)?

  • mathdad
  • · Replies 8 ·
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8
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4

Converse of Pythagorean Theorem

  • mathdad
  • · Replies 8 ·
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8

How Do You Determine If a Point Lies on a Circle?

  • mathdad
  • · Replies 4 ·
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4

What is the perimeter of triangle ABC?

  • mathdad
  • · Replies 2 ·
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2

Undergrad Using trigonometry to create a radar for a game.

  • Mr. Fizzix
  • · Replies 9 ·
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9

Why is dividing by zero impossible in math?

  • mathdad
  • · Replies 3 ·
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3

Repeated and Nonrepeated Decimals

  • mathdad
  • · Replies 3 ·
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3

What are the differences between odd, composite, and prime numbers?

  • mathdad
  • · Replies 2 ·
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2

Is 2 the Only Even Prime Number?

  • mathdad
  • · Replies 3 ·
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3

Why does the Durango curve problem puzzle mathematicians?

  • rick1231
  • · Replies 10 ·
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10

News What is the name for a scripted letter in a paper?

  • Afonso Campos
  • · Replies 5 ·
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5

What are extraneous roots in radical equations?

  • mathdad
  • · Replies 5 ·
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5

High School Prime Factorization of 5-Digit Numbers

  • itsabdulbasit
  • · Replies 12 ·
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12

Graduate An intuitive meaning of Bernoulli numbers

  • ddddd28
  • · Replies 2 ·
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2

Undergrad Triangle Numbers Algorithm: What is it?

  • FQVBSina_Jesse
  • · Replies 9 ·
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9

Calculating Ball Height and Time with Quadratic Formula

  • mathdad
  • · Replies 4 ·
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4

Find k: 3x^2 + sqrt{2k}x + 6 = 0

  • mathdad
  • · Replies 3 ·
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3

Find All Real Solutions: Is x = 0 a solution to the equation?

  • mathdad
  • · Replies 2 ·
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2

News Dangers of Using Statistics Wrongly in Scientific Research

  • jedishrfu
  • · Replies 9 ·
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9

Factoring x^4 - 15x^2 + 9 using substitution

  • mathdad
  • · Replies 4 ·
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4
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4

How to Factor Cubic Terms in Algebraic Expressions?

  • mathdad
  • · Replies 4 ·
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4

Do 1 + √5 and 1 - √5 Solve the Equation x² - 2x - 4 = 0?

  • mathdad
  • · Replies 3 ·
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3

X^6 - y^6 As Difference of Cubes

  • mathdad
  • · Replies 4 ·
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4

Minutes, Degrees, Seconds to Radians

  • mathdad
  • · Replies 5 ·
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5

Radians to Degrees, Minutes, Seconds

  • mathdad
  • · Replies 4 ·
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4

How can you express an angle in radians without using pi/180°?

  • mathdad
  • · Replies 4 ·
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4
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6

Why Does tan(x + pi/2) Equal -cotx in Trigonometry?

  • mathdad
  • · Replies 2 ·
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2

Find x in the product (1−1/2)(1−1/3)...(1−1/2017)

  • bio
  • · Replies 5 ·
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5

Undergrad Creating Sander's parallelogram with a key angle

  • JamesMaths
  • · Replies 4 ·
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4

High School Find line slope based on degrees (for video game programming)

  • kolleamm
  • · Replies 5 ·
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5

Undergrad Prove Inequality: A,A', B, B' in [0,1]

  • stevendaryl
  • · Replies 2 ·
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2

Prove Trigonometric Identities

  • mitaka90
  • · Replies 9 ·
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9

Undergrad Fundamental elements transformation

  • calinvass
  • · Replies 1 ·
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1

Fraction Multiplication: How to Multiply Fractions and Mixed Numbers

  • David39ni
  • · Replies 3 ·
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3

How Does a Small Offset in Metal Pieces Increase with Distance?

  • Kabibble
  • · Replies 1 ·
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1

Maximum parts formed by 6 chords in a circle

  • Monoxdifly
  • · Replies 2 ·
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2

X^6 - y^6 As Difference of Squares

  • mathdad
  • · Replies 4 ·
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4