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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No Solution for 3x+2y=7 in Real Numbers
- relyt
- · Replies 2 ·
Adding square and cube root symbols in Microsoft Equation
- albert2008
- · Replies 1 ·
Solve Problem with Proof by Induction
- smh745
- · Replies 5 ·
Proof by Contradiction: Explanations and Examples in JPG and Doc Formats
- smh745
- · Replies 1 ·
Multiplying/Dividing Rational Expressions(Playing with AlgebraII Fractions)
- SETHOSCOTT
- · Replies 7 ·
How many ways can 7 distinct flags be arranged with 2 separated?
- chrisyuen
- · Replies 12 ·
Binomial Expansion long division
- chrisyuen
- · Replies 2 ·
Solving an inverse trig equation
- Kaylee!
- · Replies 1 ·
Solving Equations by Factoring - Find the length of the hypotenuse
- Raizy
- · Replies 4 ·
System of Equations with Unknown Variables
- Je m'appelle
- · Replies 2 ·
Understanding and Solving Functions to Solving Complex Equations
- melvinator
- · Replies 5 ·
Solving 4^x + 4^-x = 8 - 2x - x^2
- kurvmax
- · Replies 7 ·
The curious case of 50x^2 - 72
- Bavariadude
- · Replies 3 ·
Finding Coordinates on a Circle: Solving for Points After Rotation
- macarino
- · Replies 3 ·
Expectation of 2 random variable, E(|X-Y|^a)
- Micle
- · Replies 4 ·
Finding the nth Term of an Arithmetic Sequence
- demonelite123
- · Replies 6 ·
How Many Empty Seats Maximize Profit on a Ski Trip Minibus?
- hallowon
- · Replies 1 ·
How Should Uncertainties Be Represented When Significant Figures Differ?
- nrslmz
- · Replies 1 ·
Quadratic Function Word Problem
- TrueStar
- · Replies 3 ·
Four Fours Challenge: Get 44 with ONLY 4s!
- UNknown 2010
- · Replies 3 ·
Finding a and b for y = ax^2 + bx Passing Through (2,4) with Gradient 8
- tweety1234
- · Replies 10 ·
How Can I Solve a Determinant Problem Using Induction?
- kidsmoker
- · Replies 1 ·
Probability problem, central limit theorm/binomial
- subopolois
- · Replies 1 ·
How Do You Prove (ab)^-1 Equals a^-1b^-1?
- jgens
- · Replies 1 ·
What Is the Probability of Having Enough Seats on an Overbooked Flight?
- subopolois
- · Replies 3 ·
Solve "cos(15)+sin(15)" Without Calculator
- RoryP
- · Replies 1 ·
Trigonometry, find solutions between [0/2pi]
- synergix
- · Replies 3 ·
Solving x² − 6 = √(x + 6)
- rafehi
- · Replies 5 ·
Zeros of polynomial x^3 - 33x^2 + 354x + k form arithmetic sequence
- demonelite123
- · Replies 2 ·
Normally distributed probability problem
- subopolois
- · Replies 5 ·
Finding the nth Exponent: Solving for n in 2^2^n = 36 trillion
- MrAnderson
- · Replies 4 ·
Word problems : quadratic functions
- someguy37
- · Replies 11 ·
Calculating Sin of Angle Between Two Vectors in 3D Space
- touqra
- · Replies 1 ·
Directed Line Segment Joining (1,1,1) to (1,3,1)
- cse63146
- · Replies 6 ·
Trig Identities for Refraction
- GrahamCU
- · Replies 6 ·
Finding the Degree of of triangle.
- anto3232
- · Replies 4 ·
Finding probability of drawing red balls without replacement
- crays
- · Replies 3 ·
Coordinate geometry of the circle question
- Ed Aboud
- · Replies 5 ·
Find Equation for a Cubic Function with Zeros -2 and 3 and Y-Intercept 9
- jessica.so
- · Replies 1 ·
How to simplify sqrt(2)/(sqrt(2) - 1) to 2 + sqrt(2)
- negatifzeo
- · Replies 1 ·
How do I solve for the solutions of sin 2θ = sin θ in degrees?
- patriots1049
- · Replies 2 ·
How Do You Isolate sin a in a Quadratic Trigonometric Equation?
- ditto_299
- · Replies 1 ·
For All Positive Numbers: Is y the Solution?
- soopo
- · Replies 2 ·
Settlement of Multiple Obligations with Varying Interest Rates
- banana_banana
- · Replies 10 ·
Problem involving mortgage and rate
- teamrocket
- · Replies 1 ·
Solve Algebra: (0.97)(1+ Beta gas (-Ti)) = (1 + Beta steel (-Ti))
- chantalprince
- · Replies 2 ·
Simplifying fractions with roots
- username12345
- · Replies 5 ·
Is there a network with 50 arcs annnd one vertex?
- soopo
- · Replies 2 ·
Simplifying a Sigma Sequence Problem
- UNknown 2010
- · Replies 5 ·
Rational function with asymptotes x=2, x=6 and y=-2
- jenni2010
- · Replies 4 ·
Probability of at least one success in 5 tries with 20% chance per try
- Zinic
- · Replies 9 ·
Proving y' = 2ax + b is a Bijection
- soopo
- · Replies 3 ·
Water overflowing through stacked buckets using Pascal's triangle
- Sweeneykill
- · Replies 4 ·
Fractions in Einstein Relativity Theory
- Norway
- · Replies 3 ·
Triangle Circumscribed by a Circle (Geometry Problem)
- Saladsamurai
- · Replies 5 ·
Evaluate [log(5)+log(2)]/log₂(∛10) using logarithm laws
- lucky_star
- · Replies 5 ·
Verifying five trigonometric identities
- enibaraliu
- · Replies 5 ·
Is x^fraction one-to-one or not
- intenzxboi
- · Replies 3 ·
Interesting word problem posed
- twinhairdryer
- · Replies 3 ·
What this mathematical symbol means?
- R A V E N
- · Replies 7 ·
Data Generation with Requirement
- awaludin
- · Replies 2 ·
Simplifying sqrt((t cos t)² + (t sin t)²)
- jimbo71
- · Replies 3 ·
Coral reef population model with immigration and logistic growth
- missbooty87
- · Replies 2 ·
Is the union of two vector subspaces a subspace?
- war485
- · Replies 3 ·
Finding center and radius when x term is missing
- TrueStar
- · Replies 7 ·
Solving a TI-83/84 Calculator Exam Question: 771 vs. 1,059
- jfhorns7853
- · Replies 3 ·
Proving Logarithmic Rule: log_a(x^k)=klog_ax
- Hypochondriac
- · Replies 3 ·
Finding the domain of g(x) = f(2x+3) when f(x) has domain [-1,5)
- George3
- · Replies 2 ·
Area of a parallelogram using determinants
- cse63146
- · Replies 3 ·
Vector problems with forces, velocities, and displacements
- halb
- · Replies 1 ·
Tricky complex numbers problem
- andrew.c
- · Replies 5 ·
Trigonometric functions and the unit circle
- Niles
- · Replies 4 ·
Finding the Angle Using Arcsec in Trigonometry
- Firestrider
- · Replies 3 ·
Solve for X: ln(x) + ln(x+1) = 1
- r_swayze
- · Replies 3 ·
What Are the Solutions to bx^2 + cx + a = 0 for Any Constants a, b, and c?
- imdapolak
- · Replies 2 ·
3d vectors. Does a point lie on the line?
- Anyone
- · Replies 2 ·
Here's a theorem about the tangent function
- imdapolak
- · Replies 2 ·
Coordinate Geometry(Right Triangle)
- ritwik06
- · Replies 7 ·
Long Division isn't working for me
- WadeS
- · Replies 7 ·
What is the Sum of the First 110 Terms in This Arithmetic Progression?
- demonelite123
- · Replies 1 ·
What is the solution to the equation tan²x + cos2x = 1 - cos2xtan²x?
- synergix
- · Replies 6 ·
Why do I get a fraction when eliminating z first in a 3×3 system?
- Raizy
- · Replies 5 ·
Prove Identity: csc2@= 1/(1-(sin@-cos@)^2
- synergix
- · Replies 3 ·
Find exact value difference identity
- synergix
- · Replies 4 ·
Solve Combination Problem: C(n,3) = C(n,8)
- DecayProduct
- · Replies 3 ·
Finding the inverse of f(x)=-2/3(x+5)^2 - 5/3
- jeahomgrajan
- · Replies 6 ·
Finding nth term of a sequence (explicit formula)
- demonelite123
- · Replies 3 ·
Equivalence classes for m² ≡ n² mod 3
- frankfjf
- · Replies 12 ·
How to solve for y when given x in a multivariable function
- affirmative
- · Replies 2 ·
Help preparing for Friday's precalculus test
- Eshmael
- · Replies 5 ·
What do I need to know for Pre-Cal, and what do I need to know to pass Pre-Cal?
- Mezzlegasm
- · Replies 4 ·
Plese i in this exam,its a challenge.
- shishi4
- · Replies 1 ·
Probability of flipping a biased coin k times
- mcnkevin
- · Replies 8 ·
Finding the sum of ∑ n/2^(n-1) from n=1 to infinity
- djuiceholder
- · Replies 6 ·
Find the max angle for the resultant of two vectors
- Teddy6299
- · Replies 4 ·
Solving for FBA in a statics equilibrium equation
- jimbo71
- · Replies 3 ·
Algebraic Solution to Limits Problem: lim (3/5)^x as x approaches infinity
- temaire
- · Replies 6 ·
Algebra 2 Descartes' Rule of Signs
- Loonygirl
- · Replies 3 ·
Averaging Errors: Calculating Error for 2 Values
- tom717
- · Replies 4 ·
Two trig questions (Triangles and Trapezoid)
- rought
- · Replies 10 ·