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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What is the minimum value of 'b' in the given equations?
- utkarshakash
- · Replies 9 ·
Straight lines passing through fixed point
- utkarshakash
- · Replies 6 ·
Applied Stochastic Processess?
- ra_forever8
- · Replies 1 ·
Proving |x + y| ≥ |x| - |y| using Theorem 3 and the fact that |-y| = |y|
- jimmyly
- · Replies 21 ·
Checking solutions - textbook wrong about roots?
- BMW
- · Replies 1 ·
How to deal with INVERSE TANGENT?
- bmed90
- · Replies 3 ·
Do Two Random Subsets of X Have the Same Number of Elements?
- utkarshakash
- · Replies 7 ·
Probability question related to dice
- utkarshakash
- · Replies 13 ·
Finding the Length of a Chord on a Circle
- Dumbledore211
- · Replies 9 ·
What are the possible values of a for the least possible length of latus rectum?
- utkarshakash
- · Replies 4 ·
Completing the square for charged particle in harmonic potential with electric field
- denjay
- · Replies 2 ·
How is the area under the arch of y=sinx related to the unit circle?
- Trav44
- · Replies 3 ·
Solve 2^3x=7^(x+1): Logarithms Solution
- AbsoluteZer0
- · Replies 3 ·
Do units of a squared quantity use L^2 or stay as L?
- SherlockOhms
- · Replies 13 ·
Triangle problem - Evaluating the given expression
- Saitama
- · Replies 11 ·
Selecting squares from chessboard
- utkarshakash
- · Replies 1 ·
Trigonometry - Cosec summation
- Saitama
- · Replies 6 ·
Determining dimensions of a rectangle
- neuro.akn
- · Replies 22 ·
Prove cl(int(cl(int(A))))=cl(int(A))
- ArcanaNoir
- · Replies 4 ·
Finding centroid of rectangle and triangle without integration
- Jbreezy
- · Replies 7 ·
Solving Trig Problems: Evaluate cos 300° and sin(-120°)
- TheKracken
- · Replies 3 ·
Distance between two lines in R^3
- SteveDC
- · Replies 7 ·
How to Find the Equation of a Circle with Given Points and Radius?
- Dumbledore211
- · Replies 3 ·
How do these equations cancel?
- noahsdev
- · Replies 3 ·
Simplifying cot(θ)sin(-θ) to a single trig function
- TheKracken
- · Replies 9 ·
Discriminant of cubic equation in terms of coefficients
- Dowland
- · Replies 35 ·
How to calculate magnitude of this function ?
- lazyaditya
- · Replies 2 ·
Minimum and maximum values of the objective quantity?
- musicgold
- · Replies 4 ·
Period of sin(e*x) + sin(pi*x)
- besulzbach
- · Replies 20 ·
Evaluating an Inverse Trigonometric Function
- thatguythere
- · Replies 14 ·
Combining logarithms with the product and quotient rules
- AbsoluteZer0
- · Replies 8 ·
Ratios for 10% Solution: How to Calculate for 4oz/1gal Ratio
- YoderIII
- · Replies 2 ·
Determining the period of a trigonometric function
- ainster31
- · Replies 5 ·
Questions about Linear Combinations of Random Variables
- ken15ken15
- · Replies 4 ·
Hypothesis test for proportion liking chocolate ice cream
- BCCB
- · Replies 8 ·
Linear Algebra solution to a system of equations
- csgirl504
- · Replies 2 ·
Logarithmic Derivative of 2^log2(x^2+1) with Base 2
- huzzi.123
- · Replies 7 ·
Finding a Coefficient in an Expansion (n-j is negative?)
- rakeru
- · Replies 6 ·
Why doesn't my factored form expand back to the original quadratic?
- ainster31
- · Replies 15 ·
If p is prime, then its square root is irrational
- kaos
- · Replies 7 ·
Solving logarithmic and exponential equations
- Mootjeuh
- · Replies 8 ·
Finding terminal velocity of a falling ice pellet
- JJBlaze
- · Replies 2 ·
How to Find Positive Integer Ordered Pairs for Binomial Coefficient Equation?
- juantheron
- · Replies 7 ·
Factorising 12x² - 27y²
- ryanuser
- · Replies 11 ·
Interpretation of an impulse graph
- lovelyrwwr
- · Replies 4 ·
Change in gradient between two road lines with different slopes
- tomtomtom1
- · Replies 2 ·
Without solving the equation, find the value of the roots
- BOAS
- · Replies 3 ·
Direct Proof of gcd(a,b) Corollary: ax+by=d
- Miike012
- · Replies 1 ·
Completely expand as a sum/difference of logs
- lolilovepie
- · Replies 5 ·
Binomial theorem to evaluate limits?
- applestrudle
- · Replies 4 ·
F(f(x))= (x^4)-4(x^2)+2, find f(x).
- GreenTea09
- · Replies 4 ·
Why Are 0 and 4 Excluded from the Range in This Function?
- coconut62
- · Replies 1 ·
Finding inverse functions when there is X^2+x
- applestrudle
- · Replies 5 ·
How to solve log_10(x)^2 = 0
- Pharrahnox
- · Replies 7 ·
Limits when there is a sine function?
- applestrudle
- · Replies 5 ·
System of Equations: Unique Solution Conditions
- emilieloops
- · Replies 3 ·
What is the proof for a^n > n for all natural numbers n and a >= 2?
- synkk
- · Replies 3 ·
Determining the least possible degree of a polynomial function
- fakecop
- · Replies 16 ·
Simplify Fraction with same term in Num and Dem, but.
- zKarp
- · Replies 5 ·
Determine Big O of a function (Discrete math)
- Miike012
- · Replies 2 ·
Finding all real solutions for sin θ = 1/2 and sin(7θ) = sin(5θ)
- FaraDazed
- · Replies 11 ·
Checking if vectors (a,b,c) with a = 2b + 3c form a subspace of R³
- csgirl504
- · Replies 3 ·
Algebraic Solution to a Puzzle
- fishtail
- · Replies 7 ·
Vertically Stretched Spring w/ Hanging Mass.
- rmiller70015
- · Replies 1 ·
Solving sinxcosx + (1/2)sin2x = 0.0392 for x
- Magnawolf
- · Replies 2 ·
Solve x in Terms of c: 3x+cos 2x = c
- GreenTea09
- · Replies 3 ·
No idea - solve log_a(x) defined only for 0<a<1 and a>1
- Luxm
- · Replies 4 ·
Let a and b be real numbers with a < b.
- setsofvectors
- · Replies 14 ·
How Many Unique 5 White and 5 Black Bead Necklaces Can Be Made?
- jameshaley
- · Replies 2 ·
Nonlinear Equation: Solve x,y,z
- dirk_mec1
- · Replies 3 ·
Finding the angle bisector between two lines
- Wats
- · Replies 3 ·
GRE algebra problem where two methods give different answers
- doubled
- · Replies 3 ·
Remainder Theorem Thinking Question
- fakecop
- · Replies 3 ·
Probability of two heads given at least one head
- phospho
- · Replies 14 ·
Area of a plane enclosed within a cube
- ViolentCorpse
- · Replies 6 ·
Is this proof of infinitely many rational square roots valid?
- kaos
- · Replies 7 ·
Boolean algebra prrof question
- hallerman
- · Replies 2 ·
Finding real solutions of x³+6x²-8x+1
- FaraDazed
- · Replies 2 ·
Proving Inequality using Arithmetic and Order Axioms
- synkk
- · Replies 4 ·
Show that these numbers are irrational
- kaos
- · Replies 11 ·
Prove Rational Numbers Have Midpoint: x,y ∈ Q
- kaos
- · Replies 5 ·
Why is the total number of outcomes n^r for r passengers and n cars?
- controlswhiz
- · Replies 2 ·
Summation problem (first N positive integers)
- GeorgeCostanz
- · Replies 4 ·
What Is the Probability the Letter Came from London If 'ON' Is Visible?
- utkarshakash
- · Replies 6 ·
Chance of B and C After Accident: 2/5, 3/5
- utkarshakash
- · Replies 1 ·
Showing if f and g are bijective then so is g o f
- bonfire09
- · Replies 7 ·
Solving x - |x - |x|| > 2
- converting1
- · Replies 5 ·
Can a Natural Number Indivisible by 3 Have a Square Divisible by 3?
- zoxee
- · Replies 3 ·
How Do You Calculate the Radius of a Cylinder from Its Label Area and Height?
- neuro.akn
- · Replies 10 ·
How Many Nickels, Dimes, and Quarters Add Up to $15.85 from 100 Coins?
- physics=world
- · Replies 11 ·
Solve log5(x-1) + log5(x-2) - log5(x+6) = 0
- Acnhduy
- · Replies 9 ·
How to graph log₅2(x-3) = x
- Acnhduy
- · Replies 12 ·
Squaring both sides of 1+A = (√(1-B))^(-1)
- help please!
- · Replies 5 ·
Average Speed to and From a Place: Solved Equation
- Tyrion101
- · Replies 5 ·
Spherical Coordinate System Interpretation
- Zatman
- · Replies 3 ·
Can we calculate probabilities without assuming independence?
- phospho
- · Replies 2 ·
Proof of Probability for Correct Book Placement in a Set of n Similar Volumes
- phospho
- · Replies 6 ·
How to know when law of sines has two solutions without testing
- 462chevelle
- · Replies 9 ·
Solving Exponential Equations with Fractions and Addition
- OPSEC
- · Replies 20 ·
How Do You Solve the Equation 4^x + 6(4^-x) = 5?
- Acnhduy
- · Replies 4 ·