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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Absolute value appears on both sides of equals sign
- ECHOSIDE
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Power reducing formula with 16sin²xcos²x
- Nano-Passion
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Easy standard deviation problem
- Femme_physics
- · Replies 21 ·
What is the cdf of the area of a square with a uniform distribution over (0, 5)?
- theloathedone
- · Replies 5 ·
How Do Absolute Value Inequalities Apply to Different Sign Scenarios?
- wonnabewith
- · Replies 2 ·
Solving for A Variable in Combination
- lacrotix
- · Replies 2 ·
How Many Committees Can Be Formed from Five Student Representatives?
- lacrotix
- · Replies 4 ·
Find intersection of parametric curve and line
- physixer
- · Replies 3 ·
How do I solve 3sin(x) + 4cos(x) = 1?
- Bogrune
- · Replies 11 ·
What is the value of k for which (a-3b) is a factor of a4 - 7a2b2 + kb4?
- electrofanner
- · Replies 3 ·
Proving by Mathematical Induction
- Phyzwizz
- · Replies 2 ·
Find k where f(x^k) divided by f(x) has remainder 8
- xcrunner448
- · Replies 16 ·
Why Does the Inequality 3x2 + 13 < 12x Have No Real Solution?
- Peter G.
- · Replies 8 ·
Expectation and variance of sample mean for n students
- Maybe_Memorie
- · Replies 1 ·
Frustrated about a minus in the result (D = RT question)
- Femme_physics
- · Replies 11 ·
Quadratics - Completing the Square
- ProPM
- · Replies 2 ·
Time of death using Newton's law of cooling
- camp3r101
- · Replies 4 ·
How do you convert between SI prefixes like micro and milli?
- bluepilotpen
- · Replies 3 ·
How to Use a Sundial to Find Latitude
- itsastruggle
- · Replies 2 ·
Simplifying an incredibly annoying equation
- Titandwedebil
- · Replies 7 ·
Bank interest plans. I tried to use the formula this time.
- Femme_physics
- · Replies 15 ·
Solving algebraic equations with negative exponents
- Brittany8209
- · Replies 1 ·
Understanding Continuity: When is a Function Continuous?
- DespicableMe
- · Replies 1 ·
Any of you know how to do this?
- Curd
- · Replies 18 ·
Partial fraction decomposition with repeated linear factor
- xxwinexx
- · Replies 5 ·
Finding a common denominator for a rational expression
- Femme_physics
- · Replies 4 ·
Given Point (-2, 3pi) need to find r>0 , -2pi< or equal to theta < 0
- Jurrasic
- · Replies 2 ·
Other polar coordinates for (3, π/6) with different r and θ ranges
- Jurrasic
- · Replies 4 ·
What is the Modulus of the Square Root of a Number?
- sachin123
- · Replies 4 ·
Trigonometry Engineering Waves proble
- andycampbell1
- · Replies 7 ·
What Defines the Function f from Set A to B?
- owensking
- · Replies 1 ·
Equation for a circle plugging for x and y, not getting a
- Femme_physics
- · Replies 7 ·
Trigonometry Proof: Proving Sin^8 + Cos^8 = (a+b)^3
- The legend
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Fire location from two lookouts using bearings and vectors
- realplayer1
- · Replies 2 ·
What is a communication matrix and how do you indicate transmission arrows?
- h1a8
- · Replies 2 ·
Whats the difference between recursive formula and general term?
- supernova1203
- · Replies 2 ·
What is the explanation for the strange angle result in this trapezoid problem?
- Femme_physics
- · Replies 8 ·
Graph of function of acceleration and velocity after time t
- Nano-Passion
- · Replies 4 ·
Bicycle rider (rate, distance, time question)
- Femme_physics
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Minimum distance from parent to child on parabolic water slide
- aeromat
- · Replies 1 ·
Express h in terms of D using hyperbolic sine
- whatsoever
- · Replies 5 ·
Finding zeros of 4x³−2x²−8x+2
- luludatis
- · Replies 4 ·
Trigonometric functions problem
- luludatis
- · Replies 4 ·
Minimizing distance between parent and child on water slide
- aeromat
- · Replies 7 ·
Simplifying a rational expression with factoring
- Amaz1ng
- · Replies 9 ·
Algebra, percentages bank interest problem (simple)
- Femme_physics
- · Replies 4 ·
Find points A and B on parabola f(x) = x² - 6x + a with given tangent lines
- Femme_physics
- · Replies 48 ·
Show that the following statement is true.
- ohhnana
- · Replies 1 ·
Sum of the first n terms where tn = (ln 2)n/n!
- Peter G.
- · Replies 2 ·
Real World EXAMPLES of Exponential and Logarithmic Functions
- sillydude
- · Replies 5 ·
Derivation of Fibonacci closed form
- MathAmateur
- · Replies 3 ·
How do you simplify (n+2)!/n! using factorial properties?
- Phyzwizz
- · Replies 6 ·
Cross multiplication with negative fractions
- gohabsgo
- · Replies 15 ·
Find the Nth Term: Simplifying the Denominator
- mario mata
- · Replies 4 ·
How to Solve Tan(x) = 3 Without Calculator: Trigonometry Question
- Constantinos
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How would I solve for Length? simple math equation involving sin/cosine?
- jcfor3ver
- · Replies 1 ·
Answer: Proving Sums with De Moivre's Theorem
- rock.freak667
- · Replies 4 ·
Finding complex solution to quadratic equation
- adichy
- · Replies 7 ·
How do I find the position vector for the line of intersection?
- ishterz
- · Replies 1 ·
Error Propagation: Calculating Mean of Error of Measurement
- sltungle
- · Replies 2 ·
Solving an Inequality to Determine profit margin
- PhysicsAdvice
- · Replies 3 ·
I have a BIG PROBLEM, i have an exam tomorrow IN MATH
- Vskz0
- · Replies 16 ·
Finding the square with a fraction in the expression
- Amaz1ng
- · Replies 8 ·
Equations of a line tangent to a circle
- Subpar
- · Replies 3 ·
How is the quotient of two constants calculated in a given equation?
- fysiikka111
- · Replies 7 ·
Finding the Inverse of Composite Functions
- Peter G.
- · Replies 7 ·
The opposite slope means the opposite fraction, or opposite sign?
- Femme_physics
- · Replies 4 ·
Solving Equations Involving Exponentials and Logarithms
- ProPM
- · Replies 6 ·
How do I calculate percentage increase for ratios in math homework?
- asmalik12
- · Replies 3 ·
Finding M and N in Mcos²(x) + Ncos(x) − 3 = 0
- Mathhelp77
- · Replies 4 ·
Prove that tan(x) − ½sin(2x) = tan(x)sin²(x)
- Mathhelp77
- · Replies 10 ·
Coefficient of x^35 in Binomial Theorem Expansion
- xxwinexx
- · Replies 1 ·
Finding the sum of a sequence with summation notation
- Mike_Winegar
- · Replies 8 ·
Probability of 25-30 Correct Answers on 200-Q Quiz
- etotheix
- · Replies 2 ·
Find all possible terms of a given sum
- atrus_ovis
- · Replies 2 ·
Solve |x+2|-|x-1|≥√(x²+x+1)
- betosasana
- · Replies 5 ·
Hotel pricing piecewise function with constant term
- ReddbullJesus
- · Replies 3 ·
What are the coordinates of the vertex for the graph of f(x) = 3x^2 + 6x - 9?
- Peter G.
- · Replies 12 ·
2 questions. Function g(x) and a set of values of x issue.
- SolCon
- · Replies 6 ·
Complex numbers with an unknown, fraction equation not getting it right
- Femme_physics
- · Replies 2 ·
Solving 4-log(3-x)=3: Is -10/3 the Answer?
- wat2000
- · Replies 5 ·
What is the Probability of a Computer System Not Working with 3 Hard Disks?
- Maybe_Memorie
- · Replies 7 ·
Divide complex number by conjugate.
- js14
- · Replies 1 ·
How Do I Solve Trigonometry Word Problems for My Exam?
- aturman0803
- · Replies 3 ·
Base B palindromes and base conversions in discrete math
- Banshi
- · Replies 2 ·
What is the graph of a polar curve with specific r and theta values?
- ThirdEyeBlind
- · Replies 2 ·
Simplifying Ellipses: Solving for b^2 = (5/3)
- wat2000
- · Replies 1 ·
Geometric Sequence: Find 4th Bounce | Get Steps
- js14
- · Replies 28 ·
Probability that the product of 5 numbers will be divisible by 9.
- pony1983
- · Replies 7 ·
Trouble with Direct and Inverse Proportion
- Kyoma
- · Replies 1 ·
Can you help me understand this student's method for problem #3?
- halvizo1031
- · Replies 3 ·
Why is reflexive property necessary? equivalence relations
- hocuspocus102
- · Replies 9 ·
How does this trig identity work?
- zeion
- · Replies 1 ·
How can I solve 4 equations with 4 unknowns?
- malsch
- · Replies 11 ·
Prove the irrationality of ar+s or ar-s using proof by contradiction
- INdeWATERS
- · Replies 3 ·
Finding if a line is tangent to a circle using algebra
- moogoomonkey
- · Replies 5 ·
Logarithm of a single quantity
- ohhnana
- · Replies 3 ·
Do two vector pairs define a unique linear transformation?
- auk411
- · Replies 8 ·
Two bodies moving from point A
- fawk3s
- · Replies 1 ·
Calculus Readiness Multiple Choice Test Answer Key Wrong?
- GreenPrint
- · Replies 12 ·