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
Finding max value of this expression
- utkarshakash
- · Replies 13 ·
Solving the system -4P1 + 6P2 = 54, 5P1 + 4P2 = 48
- smalls
- · Replies 7 ·
What is the equation for the given curve in polar coordinates?
- SPhy
- · Replies 1 ·
Solving Parametric Equations for y=√x
- SPhy
- · Replies 1 ·
Solving sin2θ - 1 = cos2θ for 0 ≤ θ ≤ 360°
- BOAS
- · Replies 14 ·
(23)/(120x) = 1/5. Solve for X
- 939
- · Replies 4 ·
Why doesn't the answer take into account overcounting of combinations?
- member 428835
- · Replies 3 ·
Counting problem (book wrong?)
- Miike012
- · Replies 10 ·
Solve rational equation and mixture problem with two solutions
- FaraDazed
- · Replies 6 ·
What is the Use of Angle Bisectors in Solving Line Equations?
- utkarshakash
- · Replies 10 ·
Find Inradius of ΔABC: Coordinates (4,-1) & Internal Bisectors
- utkarshakash
- · Replies 3 ·
Expressing gcd of two polynomials as a linear combination
- bonfire09
- · Replies 3 ·
E-ray refraction angle in uniaxial crystal at perpendicular optic axis
- Aelo
- · Replies 3 ·
Fundamental Polynomial Operations
- Superkevs22
- · Replies 13 ·
Integral values of m for sin x - √3 cos x = (4m-6)/(4-m)
- utkarshakash
- · Replies 4 ·
When to use permutation vs combination theorem?
- Miike012
- · Replies 3 ·
Series notation and commutativity
- vorophobe
- · Replies 3 ·
Why does a line from the vertex angle to the chord's midpoint bisect at 90°?
- adjacent
- · Replies 10 ·
How to interpret a function in 3 dimentions
- Syrena
- · Replies 3 ·
Finding roots of this trig eqn
- utkarshakash
- · Replies 2 ·
Can You Guarantee a Profit in Sports Arbitrage Betting?
- mz19
- · Replies 1 ·
Can Calculating Cylinder Dimensions Verify Tank Chart Accuracy?
- curtmorehouse
- · Replies 7 ·
Sign equality in proof of (sin A +sin B) trig identitiy
- nomadreid
- · Replies 2 ·
Solving 1/a + 1/ab + 1/abc = 25/84 for a+b+c
- get_physical
- · Replies 13 ·
Compound/complex fractional expressions. Algebra 1.
- Hierophant
- · Replies 2 ·
Check my probability solutions
- manal950
- · Replies 7 ·
Non-calc problem taken out from Spivak's Calculus, I reach a dead end
- Hivoyer
- · Replies 2 ·
Checking a Polar Equation of a Conic
- Jbreezy
- · Replies 6 ·
A problem that puts me in difficulty
- DorelXD
- · Replies 8 ·
Disc Math. (Impossible to answer?)
- Miike012
- · Replies 2 ·
What is the directrix for a polar conic with the given equation?
- Jbreezy
- · Replies 3 ·
Can you simplify this inverse trig problem?
- Kishlay
- · Replies 19 ·
Factoring out common powers in 3(x+1)^(1/2)(2x-3)^(5/2)+10(x+1)^(3/2)(2x-3)^(3/2)
- Husaaved
- · Replies 2 ·
Eigenspaces and geometric reasoning
- fogvajarash
- · Replies 9 ·
What Does Trace(p^4-p^3) Equal for a 2x2 Complex Matrix with Given Properties?
- ajayguhan
- · Replies 1 ·
Linear system of equations with parameters
- MSG100
- · Replies 10 ·
Find all solutions of sin on the interval
- nickb145
- · Replies 3 ·
Two very similar probability questions, just need a confirmation
- GandhiReborn
- · Replies 2 ·
Finding closed form of sequence.
- 12base
- · Replies 1 ·
Solve a Trig Equation Containing secant
- nickb145
- · Replies 1 ·
Prove by induction that Un = 1/2(1 - 1/2^(2^n))
- lionely
- · Replies 17 ·
What Determines the Minimum Value in a Quadratic Equation?
- Wildcat
- · Replies 16 ·
What is the half-life of Iodine-131?
- Coco12
- · Replies 4 ·
Probability of picking at least 2 red and 1 green from 4 balls
- Mentallic
- · Replies 15 ·
Solve the P6 Counting Problem: Unlock 10*365 Password Combinations
- Miike012
- · Replies 3 ·
What are the smallest four positive solutions for 9cos(2t)=9cos2(t)-4?
- nickb145
- · Replies 10 ·
How Do You Express sin(7t) - sin(6t) Using Trig Identities?
- Thadis
- · Replies 1 ·
Prove true or false eigenvalue question
- blockdummy
- · Replies 3 ·
Proving Divisibility Property: ab|ac implies b|c
- SeanThatOneGuy
- · Replies 3 ·
Solving a Linear equation with 3 unknown variables
- pietersandi_w
- · Replies 3 ·
Solving Polynomial Remainders
- Ambushes
- · Replies 8 ·
Why Do My Vector Addition Calculations Differ from the Textbook's Answers?
- Last chance U
- · Replies 5 ·
What are the polar coordinates of (1,-2) and how do you find them?
- Jbreezy
- · Replies 4 ·
Better way to do this probability problem?
- Gridvvk
- · Replies 3 ·
Quadratic equation and trigonometry
- Saitama
- · Replies 42 ·
How to Factor 4a^2c^2 - (a^2 - b^2 + c^2)^2 Completely?
- Hierophant
- · Replies 4 ·
Solving Logarithms: Find x in 2x^2-7x+3 = 0
- Coco12
- · Replies 5 ·
Power raised to a logarithm question
- Coco12
- · Replies 3 ·
Number of days between two dates
- frank1
- · Replies 5 ·
How to derive an equation from a graph
- Cryphisss
- · Replies 4 ·
Finding minimum for an equation with two variables
- Hivoyer
- · Replies 3 ·
Finding the nth Term of Complex Sequences
- adjacent
- · Replies 5 ·
How can the vector triple product be used to derive other vector products?
- Saitama
- · Replies 11 ·
Unknown lengths of triangle, known area and internal angles
- tim9000
- · Replies 4 ·
Marking 15 true-false questions with one left blank
- mishima
- · Replies 4 ·
If cosθ = -5/13 and 0 <= θ <= 2π, what are possible values of θ?
- Ace.
- · Replies 1 ·
Volume of a Cylinder: Calculate Weight
- Eagle's Wings
- · Replies 2 ·
Trying to understand the proof of |S|<|P(S)| for all S
- setsofvectors
- · Replies 27 ·
3x^2(4x-12)^2 + x^3(2)(4x-12)(4) HALP
- Hierophant
- · Replies 4 ·
Solving: cos(k+x) + cos(k-x) = c
- bobie
- · Replies 15 ·
Limit of a sequence, with a real parameter
- DorelXD
- · Replies 17 ·
Line through p(6,0,3) perpendicular to and intersecting a given line
- fogvajarash
- · Replies 4 ·
How Do You Solve the Equation 20sin(t)cos(t) = -4cos(t) for t?
- nickb145
- · Replies 1 ·
Intersections of Sine Graphs and Biorhythms
- Trav44
- · Replies 3 ·
Is there a simpler way to solve an exponential equation without trial and error?
- surfy2455
- · Replies 3 ·
Factoring x^3/2 - 2x^-1/2 + x^1/2
- Hierophant
- · Replies 5 ·
Solving inequality with different power variables
- BMW
- · Replies 10 ·
Sketch the region of the complex plane
- SteveDC
- · Replies 10 ·
Solve Inequality: f(x)=1-x-x3, 1-f(x)-f3(x)>f(1-5x)
- Saitama
- · Replies 1 ·
Solving Equations with Integer Solutions
- sankalpmittal
- · Replies 14 ·
How Do You Start Solving a Logarithmic Equation?
- NextElement
- · Replies 2 ·
What is the solution to 6^log x = 1/36?
- Coco12
- · Replies 5 ·
Solve Transposing Formula: Rs = Rm x Im/I
- brenfox
- · Replies 4 ·
Why does this function have a unique shape?
- abdo799
- · Replies 3 ·
Inverse of absolute value function
- Coco12
- · Replies 10 ·
Prove a^2 + b^2 = 1 from a√(1-b^2) + b√(1-a^2) = 1
- Wildcat
- · Replies 6 ·
Finding the radian value of this angle which passes through a point
- Ace.
- · Replies 2 ·
Find all real and complex zeros of h(x)
- FrugalIntelle
- · Replies 1 ·
Proving AB=2CE with AC parallel to DE
- rushikesh
- · Replies 3 ·
Which Equations Are Linear in Variables x, y, and z?
- 4Fun
- · Replies 7 ·
How Can I Solve These Precalculus Problems Involving Angles?
- mathopressor
- · Replies 2 ·
How Can I Simplify These Trigonometric Expressions?
- mathopressor
- · Replies 1 ·
What is the amplitude of -1/5 sin(2/3x - π/2)?
- mathopressor
- · Replies 1 ·
Determinant's solving without expansion
- Kartik.
- · Replies 13 ·
Finding Tangent Equation from (-5,4) to Circle
- Dumbledore211
- · Replies 10 ·
Solving for x in a determinant
- Kartik.
- · Replies 4 ·
My reasoning: the inverse secx not the reciprocal of inverse cosx?
- anniecvc
- · Replies 5 ·
Exponential functions word problem
- Coco12
- · Replies 7 ·
Determining if a function is odd or even
- ainster31
- · Replies 2 ·