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
Reduced Row Echelon/Solution Set Problem
- iasc
- · Replies 5 ·
What is the Correct Combination of A's and B's for 2x2 Matrix Multiplication?
- morbello
- · Replies 4 ·
Solving the differential equation (x²+y²)y'=xy
- fan_103
- · Replies 7 ·
Finding inverses, graphing piecewise functions, and trigonometric identities
- gangsta316
- · Replies 3 ·
Finding the inverse of a 2×2 matrix with exponential and trig entries
- ~Sam~
- · Replies 4 ·
Drawing a picture using math equations
- Matt1234
- · Replies 8 ·
How to Negate Complex Logical Assertions in Mathematics?
- Pythagorean12
- · Replies 1 ·
What are the values of a that make A=0?
- ~Sam~
- · Replies 1 ·
Can addition formula be applied to more than 2 sums?
- lax1113
- · Replies 3 ·
How Do You Calculate the Determinant of Complex Matrix Expressions?
- ~Sam~
- · Replies 1 ·
Solving sin(3t)cos(t) + cos(3t)sin(t) = -1/2
- TrueStar
- · Replies 2 ·
What is the Convergence of the Product of All Reals?
- bubbloy
- · Replies 10 ·
What dimension is the surface of a cylindrical shell
- kman12
- · Replies 5 ·
How Do You Calculate the Area of a Motel Given Wall Lengths?
- bleedblue1234
- · Replies 8 ·
Why is ln(y) - ln(x) ≈ (y-x)/x when y and x are close to 1?
- mjordan
- · Replies 10 ·
Projecting a vector onto x and y axes when it's perpendicular to another vector
- iflabs
- · Replies 1 ·
Sum notation for 8+27+64+... and expanding (1+x)^n(2+x)^n
- Mentallic
- · Replies 10 ·
Find the convergents to the fraction
- Pythagorean12
- · Replies 2 ·
Why is the asymptote shifted and points don't match?
- Matt1234
- · Replies 6 ·
Convert 75 Degrees to Radian Measure - 5/12 pi
- fatima_a
- · Replies 2 ·
How Do You Find the Center of Rotation in Geometric Transformations?
- DarkPhoenix
- · Replies 1 ·
Word problem-I would like to check my procedure
- stanton
- · Replies 3 ·
Spivak Calculus- Chapter 1, Q1(v)
- MathsLearner
- · Replies 2 ·
Solving a Quick Complex Number Question: Finding z in 4z + z(bar) = 5 + 9i
- vorcil
- · Replies 5 ·
Calculating Profit for DVD Manufacturing with Linear Relationship
- stanton
- · Replies 2 ·
What Are the Solutions for x in (x^5)-x = 8?
- vorcil
- · Replies 2 ·
Why sign reversal occurs when solving quadratic inequalities
- LearningMath
- · Replies 6 ·
Proving \sum_{i=0}^n (i-3) \geq \frac{n^2}{4} with Mathematical Induction
- James889
- · Replies 5 ·
What is the correct way to convert a matrix to reduced row echelon form?
- iasc
- · Replies 3 ·
Solve Math Question: Rearrange Formula to Make y Subject
- WillyVee
- · Replies 6 ·
One last log law question. little more trickier.
- Senjai
- · Replies 2 ·
Log Law: Understanding -log_2\frac{1}{9}
- Senjai
- · Replies 3 ·
Proving the limit (delta epsilon)
- zeion
- · Replies 3 ·
How do i factor that induction expression?
- James889
- · Replies 3 ·
Solving Quadratic Equation: Find x for k=3000, m=5, g=9.81, d=1.3
- mattmannmf
- · Replies 2 ·
Check a , h , k are correct or ?
- r-soy
- · Replies 3 ·
Sum and Product of the Roots (Quadratic Equations)
- zebra1707
- · Replies 8 ·
Linear algebra - side of a cube is an integer?
- Pagan Harpoon
- · Replies 3 ·
Finding vector PS given PQ, QR, and RS
- DarkPhoenix
- · Replies 1 ·
Graph Analysis for Exam Preparation: Compare Graph 1 vs. Graph 2
- r-soy
- · Replies 1 ·
Prove that 1 + 3 + 5 + ... + (2n - 1) = n²
- zeion
- · Replies 2 ·
Proof of a focus point on parabola and tangent line equal angles
- lax1113
- · Replies 1 ·
Partial derivative of (x³+y³)^(1/3) at (0,0)
- zhuyilun
- · Replies 2 ·
Finding delta for |f(x) - 3| < 1/100 when f(x) = x² + x + 1
- zeion
- · Replies 4 ·
What Values of a, b, c, and d Make f(f(x)) = x for All x?
- pyrosilver
- · Replies 1 ·
- Integration, Rate of Change, and Volume of Revolution Questions
- Timiop2008
- · Replies 10 ·
What Is the General Equation of a Parabola with Directrix x=p and Focus (h, k)?
- you_of_eh
- · Replies 2 ·
Finding A, B, C in 2x² + 7x - 5 = A(x-1)² + Bx + C
- zebra1707
- · Replies 7 ·
Driving me batty CSC^4x -COT^4x; simplify.
- Agent M27
- · Replies 2 ·
Proving the limit (epsilon delta) #3
- zeion
- · Replies 5 ·
Solving exponential equations with coefficients
- Monocerotis
- · Replies 16 ·
Find an upper bound to the limit of a function
- zeion
- · Replies 3 ·
I face some difficulties to find the domain
- r-soy
- · Replies 9 ·
How Do You Calculate the Length of a Crease in a Folded Notecard?
- um0123
- · Replies 8 ·
Simplifying Polynomial Fractions
- jumbogala
- · Replies 7 ·
Verify Your Answer: Easy Steps to Checking Your Solutions
- r-soy
- · Replies 5 ·
Finding integral vectors from two cube corners to reconstruct a point
- Sintrinsic
- · Replies 4 ·
Find Nature of Stationary Point of y=e^(x/2)-ln(x)
- icystrike
- · Replies 5 ·
Eigenvectors for a 2x2 matrix with eigenvalues 4 and 1
- Dissonance in E
- · Replies 4 ·
Question concerning average density
- Emethyst
- · Replies 2 ·
What is the Rule for Expanding Determinants?
- ~Sam~
- · Replies 4 ·
What is a fixed point equation?
- morbello
- · Replies 2 ·
How do I solve this linear equation using constant acceleration equations?
- Osbourne_Cox
- · Replies 12 ·
How Can Variables l and T Be Plotted to Determine k from a Graph's Slope?
- General_Sax
- · Replies 10 ·
Solving A Trignometric Equation
- TrueStar
- · Replies 5 ·
What Is the Answer to the Question in the Picture?
- r-soy
- · Replies 2 ·
How to solve linear equation in matrix form if determinat is zero
- himanshu@iitp
- · Replies 2 ·
Trigonometry Problem: Finding Distances in Sodium Chloride Crystal Structure
- 1irishman
- · Replies 4 ·
5^(4-x)=1/5 Process for solving
- Monocerotis
- · Replies 1 ·
Simultaneous eqs methodology (4 vars)
- jjc
- · Replies 4 ·
Maximum and Minimum Problems in Exponential Functions
- dnartS
- · Replies 5 ·
Proving Limit #2: 0 < ||-7||x-1|| / |2x-1| < e
- zeion
- · Replies 3 ·
Given perpendicular vectors A and B, solve A x Y = B for Y
- Fifthman
- · Replies 1 ·
Why is V3 = V2 - V1 in a vector triangle, not √(V2² + V1²)?
- vectordvd
- · Replies 2 ·
Finding the Range of the Function f(x)=x²+4: Interval Notation Explanation
- credico
- · Replies 4 ·
Solve Rectangular Cattle Feeding Pen Problem - Find Domain of A(X)
- r-soy
- · Replies 6 ·
Why Is My Geography Professor Assigning Math Summation Problems?
- axellerate
- · Replies 6 ·
Why use limits if simplifying the expression gives the same result
- kenewbie
- · Replies 2 ·
How can I find two perpendicular vectors in R^3 and a value of c?
- Noxide
- · Replies 3 ·
What is the approach to calculating line integrals in a vector field?
- pakkanen
- · Replies 7 ·
How Can Poisson Distribution Determine Refinery Capacity Needs?
- Marbys88
- · Replies 5 ·
Determine whether the equation represents y as a function of x
- Psichlohomeo
- · Replies 5 ·
Slope and concavity of y = 1/(x-1)² for x > 1
- Matt1234
- · Replies 5 ·
Using Fourier series to find the sum of sin(2n-1)x/(2n-1)³
- Susanne217
- · Replies 71 ·
Solve for P(Z<#) and P(|Z|<#) in Simple Statistics Problem
- yopy
- · Replies 2 ·
Math problem involving reciprocal of linear functions
- Matt1234
- · Replies 5 ·
How do I solve log x + (log x)² = 0?
- FatLouieXVI
- · Replies 7 ·
Polynomial, Division, Remainder
- Anakin_k
- · Replies 9 ·
Computing Per-Minute Storage for Full HD TV
- KillerZ
- · Replies 2 ·
Why does the harmonic series formula fail for H_5?
- James889
- · Replies 1 ·
Proving the statement directly: If k3 is even, then k is even.
- zeion
- · Replies 4 ·
Is (fg)(x) the same as (f(g(x))?
- Michael17
- · Replies 3 ·
Finding angle between vectors A=(2,1,-4) and B=(-3,0,1)
- warfreak131
- · Replies 2 ·
Calculating the normal vector to the surface
- Natalie89
- · Replies 1 ·
How Can I Correctly Set Up Equations for Graphing Production Constraints?
- fellixombc
- · Replies 5 ·
What is the domain of f(g(x)) given f(x)= radical 25-x^2 and g(x)= ln(x+3)?
- Psichlohomeo
- · Replies 6 ·
Solving two simultaneous equations with V1 and V2
- camino
- · Replies 2 ·
Calculate the angles in the triangle
- Dafoe
- · Replies 4 ·
How many parallelograms can be formed by intersecting parallel lines?
- Noiro
- · Replies 28 ·
When does this derivative equal 7
- fghtffyrdmns
- · Replies 5 ·