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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Solve |z| - z = 1 + 2i for complex z
- Broken Steel
- · Replies 3 ·
Two tangent lines with distance √3 times the radius
- Miike012
- · Replies 3 ·
Are these compositions of linear transformations reflections or rotations?
- mneox
- · Replies 6 ·
Exponential functions/finance problem
- supernova1203
- · Replies 9 ·
Slicing corner off a cube with a plane and finding the volume of the remaining solid
- man0005
- · Replies 33 ·
Circumcentre of an equilateral triangle
- Chronos000
- · Replies 3 ·
Solar panel payback period: why is 40 years correct when I got 20?
- Mukilab
- · Replies 19 ·
Finding the range of f(x)=-√(t(1-t)) without calculus
- Procrastinate
- · Replies 4 ·
What are the possible arrangements of BENNETT TAN with separated T's and N's?
- elitewarr
- · Replies 7 ·
Sum of Positive Integers Less Than 150 Not Multiples of 5 or 7
- Michael_Light
- · Replies 1 ·
Graphing Trig + algebra functions
- Miike012
- · Replies 4 ·
Proof of Trigonometric Identities: Sin(-theta), Cos(-theta), Tan(-theta)
- Miike012
- · Replies 2 ·
Solving a Trig Word Problem Involving Pipes
- Miike012
- · Replies 2 ·
What are the standard dimensions for paper size 297x210mm?
- chawki
- · Replies 12 ·
Transforming a line segment with matrices?
- mneox
- · Replies 4 ·
Finding the Radius (word problem)
- Miike012
- · Replies 33 ·
How to solve (1+cosA)^2 - (1-cosA)^2 - sin^2A = ctgA*sinA*cosA
- makarov1901
- · Replies 5 ·
Maximum and minimum of 1/f(x) where f(x)=2(x-5/4)²+15/8
- Michael_Light
- · Replies 11 ·
Solving y² + xy = x² for y as an explicit function
- chwala
- · Replies 11 ·
Solve Geometric Sequence Word Problem in Gossipopolis
- ThomasMagnus
- · Replies 3 ·
What is the reason for the inverse of x^2 not being a function?
- Willowz
- · Replies 5 ·
Why do eigenvectors have parameters while the lecturer's don't?
- Maybe_Memorie
- · Replies 1 ·
How to Prove a2+b2 >= 2ab and x2+y2+z2 >= 1/3 c2?
- Michael_Light
- · Replies 1 ·
Solving for x: Find the Solution to 2sinx-sin2x=4/∏
- maff is tuff
- · Replies 2 ·
An estate agent charges 0.75% fees .
- tehmatriks
- · Replies 1 ·
Prove (cos(3x) - cos(7x))/(sin(7x) + sin(3x)) = tan(2x) and cos(3x) = 4cos³(x) - 3cos(x)
- madmike159
- · Replies 8 ·
Why Does the Solution Include √13 in the Numerator for Trigonometric Ratios?
- CrossFit415
- · Replies 1 ·
Problem with differentiation and area of components
- TW Cantor
- · Replies 4 ·
How Do You Complete the Square for 2kx^2 - (k+1)x + 4?
- autodidude
- · Replies 16 ·
How to Solve Functional Inequality with Multiple Unknowns?
- Michael_Light
- · Replies 14 ·
How to identify which graph has the larger mode
- omni
- · Replies 2 ·
Calculating Probabilities for Dorm Room Appliances: TV, Fridge, or Neither?
- Notoriousb3
- · Replies 3 ·
How do you construct proofs for set unions?
- fruitjunkie
- · Replies 8 ·
How Does Random Reset Impact Expected Distance in a Random Walk?
- RsMath
- · Replies 2 ·
Find k and a when dividing x^4-16x^2-25x+10 by x^2-2x+k
- pankaz712
- · Replies 1 ·
Triginometry: Half Angle Identities
- StephenAA
- · Replies 5 ·
How Does a Shift in Mean Affect the Moving Average Calculation?
- neznam
- · Replies 4 ·
Grade 11 Math Problem, cant figure out the transformations
- baller2353
- · Replies 1 ·
Artist Seeks Math Guru: "Beautiful" Equations on Infinity/Paradox
- gentleapocaly
- · Replies 3 ·
What will my new average be if I get 90% on my 7th test?
- t_n_p
- · Replies 1 ·
How to know which sign of root to take when finding the inverse of a function
- madah12
- · Replies 5 ·
Exponential equation (simple?)
- 1875
- · Replies 11 ·
Finding your height above sea level from two mountains using angles
- dragonblood
- · Replies 15 ·
Conditional probablity loaded die problem
- raptor1770
- · Replies 7 ·
Beat Your Deadline: Finish in 3 Hours!
- fruitjunkie
- · Replies 2 ·
How to solve a system of 3 equations for 3 unknowns
- christurnadge
- · Replies 4 ·
Finding s for Parallel Vectors in R3
- 75 johnson
- · Replies 3 ·
Recursive using strong induction and structural induction (rosen)
- DrWillVKN
- · Replies 2 ·
What are the steps to solve this quartic equation?
- Michael_Light
- · Replies 2 ·
Determining Intersections of Quadratic Equations with a Parameter
- t_n_p
- · Replies 5 ·
Projectile Motion Trig Problem
- Phyzwizz
- · Replies 1 ·
Identifying an Unknown Symbol in a Passage
- Miike012
- · Replies 3 ·
Geometry books with practice problems for self-study
- Miike012
- · Replies 3 ·
Die is rolled 3 times and 1 more
- RsMath
- · Replies 5 ·
This is a problem on mensuration ( VOLUMES AND SURFACE AREAS)
- agnibho
- · Replies 3 ·
How do I solve a cycle conjugation problem?
- hopsonuk
- · Replies 1 ·
What is the relationship between coefficients and roots in quadratic equations?
- Michael_Light
- · Replies 3 ·
Can You Crack This Challenging Math Puzzle?
- adventuretime
- · Replies 2 ·
Why couldn't this be factored further?
- Peter Tran
- · Replies 3 ·
Problem with angles and differentiation
- TW Cantor
- · Replies 11 ·
What Is the Lambert W Function and How Does It Solve Transcendental Equations?
- pergradus
- · Replies 6 ·
Solving system of equations for matrix?
- mneox
- · Replies 3 ·
Solving Equations with Fractions
- Mkorr
- · Replies 2 ·
Range of natural log, some trigonometry
- Kawakaze
- · Replies 24 ·
Trigonometric Equation: Solving for Sec x=2 and Reviewing for a Test
- Phyzwizz
- · Replies 2 ·
Find b so g(x) = 1-x² has an inverse on [b,2]
- t_n_p
- · Replies 2 ·
How Do You Calculate the Surface Area of an Enlarged Cylinder?
- Elizabeth12
- · Replies 4 ·
Finding a cool polar equation to graph for precalculus project
- jcoolio12
- · Replies 8 ·
Proving restriction of T^i to Im(T) is nonsingular
- stukbv
- · Replies 2 ·
Seemingly simple arc length problem I keep getting wrong
- 1MileCrash
- · Replies 4 ·
Find the top vertex coordinate of a regular tetrahedron
- jwxie
- · Replies 1 ·
Polynomial relationship problem
- Michael_Light
- · Replies 1 ·
Solving Projected Particle Problem: Find Value of h
- aurao2003
- · Replies 1 ·
Simplifying a complex algebraic expression
- 7yler
- · Replies 3 ·
Calculating Averages: Not so simple after all?
- Astro
- · Replies 6 ·
Matrix multiplication/Rotations
- Jerbearrrrrr
- · Replies 3 ·
Discrete random variable cumulative distrub. function
- jsmith613
- · Replies 1 ·
Is my calculator giving the wrong score or ? (Simple calculation question)
- Femme_physics
- · Replies 11 ·
Finding horizontal asymptote and sketching rational function graph
- aurao2003
- · Replies 8 ·
Finding a sequence pattern for homework
- Char. Limit
- · Replies 1 ·
Finding Trig Identities: How Do I Solve Trig Equations with Given Values?
- Mike_Winegar
- · Replies 1 ·
Express log₃ 48 in terms of p and q where log₄ N = p and log₁₂ N = q
- Michael_Light
- · Replies 6 ·
Find the solutions to this inquality by induction
- emyt
- · Replies 3 ·
Polynomial question from spivak's calculus
- osnarf
- · Replies 8 ·
How do I find phase shift C in Y=A*Sin[B(x-c)]+D?
- Miike012
- · Replies 1 ·
How Do You Calculate Frequency from Period?
- andrey21
- · Replies 24 ·
Finding sequence length when the middle term equals 156.25
- ThomasMagnus
- · Replies 7 ·
Sum of infinite circles and triangles with largest circle radius 10
- darkmagic
- · Replies 2 ·
Complex Number Equations: Solving for Roots and Expressing in Standard Form
- Michael_Light
- · Replies 4 ·
Height of Object Launched at 13.8 m/s
- theredeemer
- · Replies 3 ·
Cross Product Identity: Solving for (A X B)^2
- Sirius24
- · Replies 5 ·
Calculating Levels in a Geometric Series Phone Tree
- ThomasMagnus
- · Replies 2 ·
Sin(a+b)sin(a-b) = cos^2b - cos^2a
- zeion
- · Replies 10 ·
Why does 2/(tanx+cotx) simplify to sin(2x) not sinx?
- nzashadow
- · Replies 4 ·
Log Question - Relationship between two points on log function
- maplesyrup23
- · Replies 11 ·
Complimentary Angles: Understand Why sin(90-theta) = cos theta
- Miike012
- · Replies 1 ·
Proving a 2:1 ratio triangle having a Zero Vector
- aeromat
- · Replies 1 ·
Simplify Math Course Work: How to Rationalize Denominators with Conjugates
- Michael_Light
- · Replies 6 ·
Solving a Dipstick Problem for Cone and Cylinder Volumes
- pat666
- · Replies 43 ·
Complex Roots of Equations: Solving z^3 = -8i
- littlewombat
- · Replies 3 ·