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 derivative by using the definition of the derivative limit
- MrNeWBiE
- · Replies 10 ·
How to factor 6w^2 - 5wt - 4t^2
- zeion
- · Replies 3 ·
Solving an equation in 4th degree
- zorro
- · Replies 7 ·
What is the polar form of -2^i?
- KyleS4562
- · Replies 3 ·
Complex numbers ordering: Is there a consistent order for complex numbers?
- ashraf.yusoff
- · Replies 4 ·
How to study better for Algebra II/Trig
- lj19
- · Replies 46 ·
(algebra) Proving subspaces- functions
- natalie:)
- · Replies 7 ·
Quaternion Rotations: Show R2∘R1 Is a Rotation
- Lightf
- · Replies 3 ·
Show that for every quaternion z we have
- Lightf
- · Replies 4 ·
Why is b/a < 1 in circle-parabola intersection proof?
- zorro
- · Replies 1 ·
Cos x vs Cos-1: What's the Difference?
- Acuben
- · Replies 2 ·
Triangle inscribed within a circle
- BrownianMan
- · Replies 4 ·
Cross product ,why doesnt this work
- madah12
- · Replies 8 ·
Perpendicular bisector question and general checking
- greener1993
- · Replies 3 ·
Solving Algebraic Relations of Reciprocal Lattice Vectors
- dingo_d
- · Replies 5 ·
Evaluating ln(x + sqrt[1+x2]) - sin(x) at x=.001
- psyklon
- · Replies 1 ·
When to use multiplication rule vs combinations?
- shawnz1102
- · Replies 1 ·
Why Is My Integration Approach Not Working?
- Chewy0087
- · Replies 1 ·
Can This Trigonometric Identity Be Verified?
- louie3006
- · Replies 5 ·
Verifying Identity: tan^2(x/2)=(sec x-1)/(sec x+1)
- dexlex2001
- · Replies 1 ·
Computing probabilities from a piecewise CDF
- sneaky666
- · Replies 3 ·
What is the Image of a Plane Under a Linear Transformation?
- TsAmE
- · Replies 8 ·
Permutations and transpositions contradiction
- morrowcosom
- · Replies 5 ·
Show that 2x+3y=27 is tangent to circle (x-4)²+(y-2)²=13
- Andy21
- · Replies 1 ·
Combinatorics and alternating series
- QuantumP7
- · Replies 6 ·
Cumulative distribution function question
- sneaky666
- · Replies 2 ·
Determining independence in probability multiplication rule problems
- shawnz1102
- · Replies 4 ·
How to prove the law of cosines for all types of triangles?
- vortex193
- · Replies 4 ·
Probability question, Very hard
- shezleng
- · Replies 45 ·
For what value of x does (1/x) + (1/(1-x)) > 0
- zeion
- · Replies 4 ·
Solving an Impossible Problem - Find Probability of Breakdown
- Ch3st3r
- · Replies 17 ·
Verifying cos(x)-tan(x)/sin(x)cos(x) = csc²(x)-sec²(x)
- misssue
- · Replies 2 ·
How do you convert from one line equation to another?
- Andy21
- · Replies 5 ·
How to Solve Rate of Return Analysis Problems
- MHrtz
- · Replies 2 ·
Infinite number of perpendicular vectors?
- Maybe_Memorie
- · Replies 1 ·
Introductory Level Calculus Question
- Wormaldson
- · Replies 10 ·
Prove that ME=MC in a Circle Geometry ABCD
- Lukybear
- · Replies 2 ·
Summing 4-Digit Numbers with 1,2,3,4
- The legend
- · Replies 9 ·
What values of x satisfy the inequality x + 3^x < 4?
- zeion
- · Replies 2 ·
Gemotry of circle and right angle
- quantum_enhan
- · Replies 3 ·
Solving 2cos(3x) - 1 = 0 for x in [0, 2π)
- lovemake1
- · Replies 9 ·
Deriving Formula for Radius of Conical Section at Height h
- zorro
- · Replies 11 ·
Finding Points in the Third Quadrant Using the Distance Formula
- adillhoff
- · Replies 3 ·
Deceptively Simple Integer Problem
- chillfactor
- · Replies 3 ·
Problems with permutations and transpositions
- morrowcosom
- · Replies 2 ·
Cos(x)+sin(x) = 0, Find all values?
- DrummingAtom
- · Replies 1 ·
How can I reduce this expression to e^{mx}?
- Saladsamurai
- · Replies 3 ·
How do I simplify (3x-6)/(x²-3x+2) - (x²-1)/(x²-4x+4)?
- wocket92
- · Replies 2 ·
* Easy Linear Question. Slope and y intercept. Thanks
- nukeman
- · Replies 14 ·
Prove x^3 - y^3 = (x - y)(x^2 +xy + y^2)
- zeion
- · Replies 26 ·
Find all value of x where 5 - x^2 < 8
- zeion
- · Replies 3 ·
Rearranging 1/([Na]^2)*[H] = 10^109.4 to isolate [Na]/[H]
- orangepipe
- · Replies 1 ·
Proving Determinant(AB)=det(A)det(B)
- touch the sky
- · Replies 4 ·
Solutions of Homogeneous System
- zohapmkoftid
- · Replies 9 ·
Proving (a cos A - b cos B) / (b cos A - a cos B) = cos C
- harimakenji
- · Replies 11 ·
Find non-negative integer solutions to a² + 2ab + b² = a + 4b
- The legend
- · Replies 7 ·
Efficient Boolean Minimization Techniques: Simplifying Y = \bar{X}_1+\bar{X}_0
- CentreShifter
- · Replies 2 ·
Solving a Degree/Radian Function: f(t) = 42cos(2t + 93°)
- mwhowell
- · Replies 4 ·
Prove that this is an ideal of a commutative ring
- annoymage
- · Replies 2 ·
Insurance policy pricing for $50 profit per policy
- dmatador
- · Replies 1 ·
Solve 2x2 Matrix in 30 Mins: An Attempt
- nicknaq
- · Replies 1 ·
Proving 5 < 5^(1/2) + 5^(1/3) + 5^(1/4) and n > n^(1/2) + n^(1/3) + n^(1/4)
- The legend
- · Replies 2 ·
Trig solve for x [ Attempt Included ]
- lovemake1
- · Replies 3 ·
How Do You Find Tangent Points on a Unit Circle from an External Point?
- EV33
- · Replies 1 ·
Solving (3/(x+2)) - (1/x) = 1/(5x) for x
- The_big_dill
- · Replies 9 ·
Finding cliff height when hiker climbs at constant speed
- 044
- · Replies 1 ·
How Many Unique 4-Letter Codes Can Be Created from Six Different Letters?
- wvcaudill2
- · Replies 14 ·
Finding the intersection of two lines x - y = 4 and x + 2y = 7
- nukeman
- · Replies 9 ·
Help with geometry proofs for Monday exam
- ccseagle
- · Replies 42 ·
Probability: Given the Mean and Standard deviation
- Nikki10
- · Replies 2 ·
Understanding Rational Inequalities: Why Can't We Multiply by the Denominator?
- rambo5330
- · Replies 3 ·
Solving for Probability using Bayes Theorem with 5 Boxes and Black Balls
- lorik
- · Replies 9 ·
Calculating Mean, Median or Mode for Ace-Inhibitor Patients
- Nikki10
- · Replies 2 ·
Proof of logarithmic properties.
- pollytree
- · Replies 4 ·
Inequalities (trig) + Attempted
- lovemake1
- · Replies 9 ·
Trig #3 (Part solutions included)
- lovemake1
- · Replies 5 ·
What Is the Probability That Only One Household Speaks Spanish?
- glass.shards
- · Replies 1 ·
Solving Orthogonal Circles Problem
- zorro
- · Replies 4 ·
Easy probability (venn diagrams/conditional pr)
- t_n_p
- · Replies 2 ·
Probability analyst predicts at least one of two stock and bond tasks correctly
- redfalcon
- · Replies 13 ·
Finding the a circle's tangent line which intersects a given point
- jla2125
- · Replies 4 ·
Finding the Cross Product in R2: How is it Different from R3?
- Radfire
- · Replies 5 ·
Proving the Centroid Theorem in Euclidean Geometry using Vector Techniques
- Christina The
- · Replies 1 ·
Can You Prove This Infinite Series Inequality?
- The legend
- · Replies 15 ·
Probability mass function of derived random variables from coin flip
- sneaky666
- · Replies 1 ·
Probability limits of nested intervals containing 1/2
- sneaky666
- · Replies 1 ·
Norman window with 20-foot perimeter maximizing area
- macbowes
- · Replies 1 ·
Determining angles and the 6 trig functions? D:
- toyotadude
- · Replies 2 ·
Area of a non-right angled triangle with information missing
- tinky
- · Replies 4 ·
Fundamental Principle of Counting Problem
- LisaL
- · Replies 2 ·
Calculating Surface Area to Volume Ratio for Emulsified Droplets
- Searchme
- · Replies 18 ·
Converting 24min to Hours: True or False?
- roza-chan
- · Replies 5 ·
Are Events A and B Independent Based on Given Probabilities?
- frankfjf
- · Replies 4 ·
Proof: Coordinate Rotation Around (0,0)
- Maybe_Memorie
- · Replies 5 ·
Circle touching both axes with centre on x-2y=3
- zorro
- · Replies 3 ·
Finding the Centre of a Circle Passing Through Given Points (1,-2) and (4,-3)
- zorro
- · Replies 2 ·
Savings, loans, binomial expansion and geometric series problems
- kingboy
- · Replies 1 ·
Equilibrium price and quantity for apples with supply and demand equations
- Error Prone
- · Replies 2 ·
Population growth equation with birth and death rates
- Vintageflow
- · Replies 1 ·
Deriving a closed form summation formula
- mohabitar
- · Replies 15 ·