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.
Threads
How Do You Solve Trig Identities Using Basic Trigonometric Equations?
- SirMarksAlot
- · Replies 5 ·
Locus problem (complex numbers)
- willat8
- · Replies 3 ·
Percentage change formula: why is my answer off by a factor of 10?
- Shackleford
- · Replies 8 ·
Apparently I just dont understand this
- The_Z_Factor
- · Replies 3 ·
Is There Special Notation for Circle Geometry?
- danago
- · Replies 4 ·
Uniform Convergence: Find Domain of Intervals (a,b)
- kidsmoker
- · Replies 1 ·
What is a preimage and does x-1=e^-x have a solution in [-2,2]?
- shrody
- · Replies 1 ·
Solving Quadratic Equations: (t-2)^2=36
- 1/2"
- · Replies 4 ·
Trouble finding the Linear Functions that satisfy the given Identity
- SolXero
- · Replies 3 ·
Find all solutions of the equation 3sin^2x-7sinx+2=0
- tennistudof09
- · Replies 4 ·
Hypothesis Testing: Binomial Experiment
- quarklet
- · Replies 1 ·
Law of Sines: Solving Triangles with Ambiguous Cases
- Stevo6754
- · Replies 2 ·
Which Triangle has a larger altitude?
- um0123
- · Replies 17 ·
Range and inverse of bijective functions
- MorallyObtuse
- · Replies 4 ·
Computing with rational exponets
- Jimmy84
- · Replies 6 ·
Odd Primes Divisible by Sum of n^p-1 from n=1 to 103
- icystrike
- · Replies 2 ·
Which primes p satisfy p^2|5^p^2+1?
- DianaSagita
- · Replies 4 ·
Calculating Angular Velocity of a Car with Given Speed and Tire Radius
- Anakin_k
- · Replies 3 ·
Solving two absolute value variables.
- fatcrispy
- · Replies 7 ·
What is the domain of the given function when expressed in terms of x and y?
- soopo
- · Replies 3 ·
Can This Summation Formula Generate the Fibonacci Sequence?
- Vince00
- · Replies 1 ·
What Are the Ranges of Functions g and h and Their Composite Functions?
- MorallyObtuse
- · Replies 4 ·
Concept problems regarding equations of higher degree
- jeremy22511
- · Replies 3 ·
Simplifying Factorials: How to Simplify 2n+2!?
- xXOfNiRXx
- · Replies 3 ·
Geometry Problem: Does a Plane Exist Where p Non-Intersecting Lines Meet?
- Geometrick
- · Replies 1 ·
Checking answers to two precalculus questions
- r-soy
- · Replies 5 ·
Finding Exact Values of Trig Expressions w/o Calculator
- GreenPrint
- · Replies 3 ·
Finding an angle between two vectors
- doublemint
- · Replies 3 ·
How Can You Solve csc(6b+π/8) = sec(2b-π/8) in Trigonometry?
- Cuisine123
- · Replies 6 ·
How to solve 3x3 magic squares with some numbers given
- korr2221
- · Replies 4 ·
Calculating Tsunami Characteristics from Chilean Earthquake Data
- tennistudof09
- · Replies 2 ·
Simplifying fractional exponential indices with negative powers
- Sirsh
- · Replies 14 ·
Linear algebra, problem with linear maps and their matrices
- sphlanx
- · Replies 1 ·
Is Calculating Radian Measure from Arc Length and Radius Correct?
- jayjohn28
- · Replies 1 ·
Compute Determinant of Matrix A: max(i,j)
- iasc
- · Replies 4 ·
Why does (k+1)³ = k³ + 3k² + 3k + 1 prove the sum of squares formula?
- GeoMike
- · Replies 5 ·
Are the Amplitude and Period Calculations Correct for This Tsunami Model?
- tennistudof09
- · Replies 3 ·
Simplfying rational expressions
- Annie_D
- · Replies 2 ·
Finding where a rational expression is undefined
- Annie_D
- · Replies 3 ·
Vector geometry, some problems.
- Gramsci
- · Replies 1 ·
What is the domain of tan(x/b)?
- Nope
- · Replies 3 ·
Function Composition: Solving Quadratic Formulas with Radicals
- dance_sg
- · Replies 2 ·
Deriving a Formula for S_{n} in a Recurrence Relation
- nobahar
- · Replies 3 ·
Effect of y² and 1/y on oblique asymptotes
- qazxsw11111
- · Replies 3 ·
How Do You Calculate Probabilities Correctly in Different Scenarios?
- qazxsw11111
- · Replies 6 ·
Why ( 2 + Log5÷log2) Different from ( Log5÷log2 + 2)
- r-soy
- · Replies 2 ·
Finding the Sum of a Finite Number of Terms for t = 64/(165+3n)
- izzleshizzum
- · Replies 2 ·
How do I type this equation into my calculator?
- rowdy3
- · Replies 3 ·
Probability of ijk + mn being Even
- mplayer
- · Replies 4 ·
Solving Equations of Planes Parallel to a Line
- doublemint
- · Replies 4 ·
What is the equation of a parabola?
- Jshua Monkoe
- · Replies 3 ·
Number Theory-limitation of Pn
- icystrike
- · Replies 4 ·
Why is (AB)² not equal to A²B² for matrices?
- SrEstroncio
- · Replies 1 ·
Sum and Difference Formulas PROVE
- ryno16
- · Replies 2 ·
Statics and use of similar triangles
- jahlin
- · Replies 2 ·
Simultaneous Equations: Solving [eq2] and Plugging into [eq1]
- camino
- · Replies 1 ·
Finding eigenvalues with the power series method
- Ready2GoXtr
- · Replies 1 ·
Math Professors Bowling: Normalcdf Probability Analysis
- rowdy3
- · Replies 2 ·
Length of Pulley Belt System: 42.12 cm
- xortan
- · Replies 1 ·
Finding Particular Solutions of y''+10y'+25y= 32xe^(-x)
- wshfulthinker
- · Replies 3 ·
Solving logarithmic equations for z, m, and n
- stosw
- · Replies 2 ·
Tree Diagram: Travel Itineraries for Pietro
- Draggu
- · Replies 1 ·
Confusing Step - Euler's Formula?
- BustedBreaks
- · Replies 3 ·
Hypothesis Testing - Basic Theory Question
- quarklet
- · Replies 1 ·
Max Area Problem: Find Rectangle w/ Largest Area (400 yrs Fencing)
- Cstreet09
- · Replies 10 ·
Solving z^n = ω for complex number ω in polar form
- Nickcanada
- · Replies 17 ·
Calculating Percentage of Semi-Circle Outside Inscribed Square
- um0123
- · Replies 11 ·
Solve Log Values Problem: Find A and B for \frac{Log A}{Log B} = \frac{2}{3}
- yoleven
- · Replies 3 ·
How Can I Solve x^2-xy+y^2+x+y+1=0 for My Math Project?
- AlanZa
- · Replies 2 ·
What does T: R x R -> R mean and what does A ⊆ B mean?
- Niles
- · Replies 2 ·
Calculating Angle of Deviation when Building Tilted on Plane
- doublemint
- · Replies 2 ·
Solving Matrix Multiplication: A*B^T with A=2,1;5,3 and B=1,-1,1;-1,1,1
- lagwagon555
- · Replies 2 ·
How Do You Calculate the Initial Velocity of a Ball Hit at a 40° Angle?
- O0ZeRo00
- · Replies 3 ·
Whats the difference between congruent and equal?
- dnt
- · Replies 6 ·
Calculate Length of Unwound Wire with Angular Velocity and Spool Radius
- xortan
- · Replies 2 ·
Linearity of Functions on Different Graphs
- nobahar
- · Replies 4 ·
What is the correct angle between T and U in the cross product?
- Linus Pauling
- · Replies 3 ·
Is Sigma(y(n)) Absolutely Convergent if y(n) = O(x(n))?
- penguin007
- · Replies 2 ·
Can I combine two summations using Pascal's identity?
- holezch
- · Replies 3 ·
Finding Values for a and b: Tangent and Perpendicularity in y=ax^3 and y=2x+3
- Sirsh
- · Replies 3 ·
How do I simply this (there should be a trig. identity involved
- Linus Pauling
- · Replies 1 ·
Linear algebra. Problem with vector spaces dimension
- sphlanx
- · Replies 1 ·
What is the smallest interior angle of triangle ABC?
- ~Sam~
- · Replies 2 ·
How Many Ways Can Delegates Be Arranged at a Conference Table?
- Jshua Monkoe
- · Replies 1 ·
Algebra 4th power weirdness problem
- sarah22
- · Replies 2 ·
Linear Math: Find a and b for Point on Line
- ~Sam~
- · Replies 1 ·
Find Vector u Midpoint (-2,-4,0) to (10,6,0) and (1,-4,4) to (5,8,-10)
- ~Sam~
- · Replies 1 ·
Proving Divisibility by 9 using Induction
- holezch
- · Replies 2 ·
Line segments problem with ratios.
- bsodmike
- · Replies 3 ·
How Do Nickels Add Up in Arithmetic Sequences?
- banditohorse
- · Replies 22 ·
Understanding Limit Value with L'Hôpital's Rule
- Amar.alchemy
- · Replies 2 ·
Radius of circle, given 3 points
- Paulo Serrano
- · Replies 8 ·
Simplification of polynomial division
- MeDiCS
- · Replies 2 ·
Dividing Polynomials: Solving Average Speed Questions in x+60 Miles Per Hour
- acuraintegra9
- · Replies 2 ·
Polynomial long division with uneven exponents
- acuraintegra9
- · Replies 6 ·
How Long Does It Take for a Bullet Fired Upward to Fall Back Down?
- acuraintegra9
- · Replies 3 ·
Finding coordinates to draw y = 8 - 2x from 4/5 × 2^x
- DarkPhoenix
- · Replies 8 ·
Four digit number, digit increasing/decreasing in size
- Hannisch
- · Replies 2 ·
Simplifying $\frac{a}{2^a}$ - Limit to 3/4?
- nobahar
- · Replies 21 ·