Precalculus Mathematics Homework Help Forum

Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.

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1

Does x = -1 Make the Function FoG Undefined Even If Part of It Equals Zero?

  • Rijad Hadzic
  • · Replies 9 ·
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9

Find the length of PR and the bearing of P from R

  • Richie Smash
  • · Replies 6 ·
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6

Find the point of intersection?

  • Math100
  • · Replies 3 ·
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3

What type of function is this ?

  • alijan kk
  • · Replies 18 ·
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18

Determine matrix for reflection followed by rotation

  • Richie Smash
  • · Replies 10 ·
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10

Problem with a product of 2 remainders (polynomials)

  • another_dude
  • · Replies 4 ·
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4

Probability of Getting Head or 4: 7/12

  • alijan kk
  • · Replies 5 ·
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5
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31

Find the value of beta in degrees

  • Richie Smash
  • · Replies 9 ·
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9

Homogenous Equation Homework Statement - a & h

  • alijan kk
  • · Replies 2 ·
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2

Order of permutations in transformations of functions

  • opus
  • · Replies 11 ·
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11

Triangle altitude's concurrency by symmetry

  • alijan kk
  • · Replies 8 ·
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8

Equation of Circle Passing Through Given Point and Line with Given Radius

  • alijan kk
  • · Replies 6 ·
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6

Value of x for which f(x) is undefined

  • Richie Smash
  • · Replies 13 ·
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13

Find the value of alpha and beta (matrix equation)

  • Richie Smash
  • · Replies 15 ·
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15

How Big Must N Be for Stirling's Formula to Achieve 2% Accuracy?

  • Physgeek64
  • · Replies 11 ·
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11

I with this question about vectors

  • lioric
  • · Replies 63 ·
3
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63

Find the speed of the batsman and direction he takes (vectors)

  • Richie Smash
  • · Replies 3 ·
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3

How to solve a percentage word problem for profit?

  • alijan kk
  • · Replies 15 ·
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15

Area of a Sector- Why squared?

  • opus
  • · Replies 7 ·
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7

How Many Distinct Color Patterns Can an Octahedron Have?

  • bradleyharmon
  • · Replies 1 ·
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1

Finding Complement of a set with respect to space U

  • RJLiberator
  • · Replies 5 ·
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5

Solve Ratio Word Problem: A & B in 30 & 40 Days

  • alijan kk
  • · Replies 7 ·
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7
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1

Train Speed: 150m in 25 sec - Find Length

  • alijan kk
  • · Replies 3 ·
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3

Inequality to represent minimum monthly income.

  • Richie Smash
  • · Replies 6 ·
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6

Principal stresses 3D, solving for direction cosines n1,m1,n1

  • jan2re
  • · Replies 14 ·
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14

Velocity Vectors of a Boat Relative to the Shore and River

  • s3a
  • · Replies 1 ·
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1

Surface area of a cylinder- finding unknown variable

  • opus
  • · Replies 2 ·
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2

Piecewise Function: Find Expression for Graph | Homework Help

  • Rijad Hadzic
  • · Replies 4 ·
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4

Suitable range of values for x

  • Richie Smash
  • · Replies 10 ·
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10

Poisson Distribution -- Rental of a number of television sets

  • songoku
  • · Replies 13 ·
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13

Understanding Quotients in Equations

  • Richie Smash
  • · Replies 28 ·
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28

Trigonometry- Converting from DMS to DD and rounding

  • opus
  • · Replies 4 ·
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4

Confused about the difference method

  • Enelafoxa
  • · Replies 14 ·
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14

Is Proof of A Subset of Union of Family Valid?

  • bubblescript
  • · Replies 4 ·
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4

Probability that both people are from group X

  • jaus tail
  • · Replies 18 ·
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18

Strategies for Solving Complex Addition Problems

  • Helly123
  • · Replies 4 ·
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4

Solving trig equation with TI Ispire CX

  • Sunwoo Bae
  • · Replies 6 ·
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6

What Are the Solutions for cos(2x) + cos(x) = 0?

  • Helly123
  • · Replies 12 ·
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12

Could you help check does the steel weight formula?

  • MachineMfg
  • · Replies 2 ·
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2

Triangle inscribed in a circle

  • Kolika28
  • · Replies 16 ·
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16

Can you help me to find the solution of logarithm equation

  • Helly123
  • · Replies 6 ·
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6

Solving for the third one should be straightforward.

  • Tonyb24
  • · Replies 10 ·
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10

How Do You Simplify Trigonometric Expressions Using Basic Identities?

  • Jen23
  • · Replies 5 ·
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5

How Do Eigenvalues and Eigenvectors Change for Matrix B = exp(3A) + 5I?

  • Physgeek64
  • · Replies 14 ·
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14

Need help with a trigonometric expression

  • Adgorn
  • · Replies 4 ·
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4

How to check if a transformation is surjective and injective

  • caspeerrr
  • · Replies 4 ·
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4

What are the probabilities for events A and B in a set of 10 cards?

  • brake4country
  • · Replies 3 ·
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3

Calculating Distances Along Latitudes on Earth

  • DS2C
  • · Replies 8 ·
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8

Can anyone find the roots of this quadratic equation?

  • loveinla
  • · Replies 7 ·
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7

Understanding the Remainder Theorem for Polynomial Division

  • Jen23
  • · Replies 7 ·
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7

Simplification of a complex exponential

  • fonz
  • · Replies 9 ·
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9

How to Solve for x: Factoring Polynomials Homework Statement

  • Jen23
  • · Replies 17 ·
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17

Calculate speed according to distance, gravity and h-angle.

  • Swedky
  • · Replies 4 ·
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4

Prove that if a² + ab + b² = 0 then a = 0 and b = 0

  • CynicusRex
  • · Replies 39 ·
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Law of sines.... I don't get it

  • Aidyan
  • · Replies 5 ·
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5

Are the Sets {r, -r, 0} and {-r, r, 0} Identical?

  • Rijad Hadzic
  • · Replies 4 ·
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4

Finding the Number of Classes Attended Based on Minutes and Cost

  • zak100
  • · Replies 7 ·
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7

What are the elements of set X?

  • zak100
  • · Replies 2 ·
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2

Solving Systems of Linear Equations in Two Variables- Graphs

  • DS2C
  • · Replies 6 ·
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6

Find largest number of linearly dependent vectors among these 6 vectors

  • Mohamed Abdul
  • · Replies 14 ·
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14

Derivation of Bernoulli Binomial distribution

  • Pushoam
  • · Replies 15 ·
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15

Proving Complex Number Equality

  • squenshl
  • · Replies 5 ·
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5

Solution of an exponential equation

  • Ali Baig
  • · Replies 2 ·
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2

Applying hypothesis test data collected (Statistics)

  • Dusty912
  • · Replies 3 ·
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3

Find Real Values of k for Purely Real ##u##

  • squenshl
  • · Replies 3 ·
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3

Interior and Exterior Angle of a Polygon: Formula not working

  • zak100
  • · Replies 3 ·
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3

Find a basis for R2 that includes the vector (1,2)

  • Rijad Hadzic
  • · Replies 16 ·
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16

Proof about cycle with odd length

  • fishturtle1
  • · Replies 4 ·
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4

Chess board probability

  • Tanishq Nandan
  • · Replies 11 ·
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11

Probability of getting an ace in case of a loaded die

  • Pushoam
  • · Replies 11 ·
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11

How Many Machines Are in the Factory to Meet Production Requirements?

  • nightingale123
  • · Replies 5 ·
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5

Height of an island beyond the horizon

  • fizixfan
  • · Replies 23 ·
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23

Number divided by something divided by something?

  • Hammad Shahid
  • · Replies 16 ·
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16

Inverse of a Cycle: Proof of Inverse Cycles and Powers

  • fishturtle1
  • · Replies 3 ·
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3

Finding the Half-Life of a Radioactive Element

  • Conrad Peterson
  • · Replies 5 ·
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5

What's the standard deviation of values in the histogram bar

  • whatisreality
  • · Replies 2 ·
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2

Can a Scalar Multiple of a Basis Still Form a Basis?

  • Rijad Hadzic
  • · Replies 5 ·
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5

Integer programming model (alternating constraints)

  • fishturtle1
  • · Replies 5 ·
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5

Knapsack problem constraints help

  • fishturtle1
  • · Replies 11 ·
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11

Squaring both sides of an equation- extraneous solutions

  • DS2C
  • · Replies 8 ·
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8

Reducing a matrix to echelon form

  • Mohamed Abdul
  • · Replies 3 ·
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3

Constructing a 3x3 Linear system question

  • Mohamed Abdul
  • · Replies 4 ·
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4

Finding values to make a linear system consistent

  • Mohamed Abdul
  • · Replies 6 ·
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6

Coefficients that make Gaussian elimination impossible?

  • Mohamed Abdul
  • · Replies 5 ·
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5

Heat conduction through a layers of different materials

  • curiosity colour
  • · Replies 3 ·
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3

Simplification of complex expression

  • roam
  • · Replies 3 ·
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3

Rational expressions and domains

  • PhyiscsisNeat
  • · Replies 5 ·
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5

Multiplying Algebraic Fractional Exponents

  • Svetlana_Vein
  • · Replies 1 ·
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1

Clearing decimals by multiplication in an equation

  • DS2C
  • · Replies 8 ·
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8

Geometry: Solve for angles of a triangle w/line intersecting

  • Jacob Dale
  • · Replies 2 ·
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2

Sign of a Function Homework: Find When Positive/Negative/Zero

  • Alex126
  • · Replies 1 ·
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1

Where will the pendulum land -- Probability Question

  • Barclay
  • · Replies 19 ·
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19

Transforming Piecewise Functions

  • Mjucewitz
  • · Replies 3 ·
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3

Graphic in excel for practicum

  • alkgeo
  • · Replies 4 ·
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4
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10

Can someone figure out the formula of this sequence?

  • yellowcakepie
  • · Replies 17 ·
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17