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
Proving there is no smallest positive number
- Uranian
- · Replies 4 ·
Exact values of trig functions.
- Jimbo57
- · Replies 5 ·
PSAT abstract inequality question.
- ElijahRockers
- · Replies 3 ·
When does a rational function have a hole vs a vertical asymptote?
- Johnyi
- · Replies 1 ·
Probability of Finding 2 Adjacent Parking Spaces for a Chevrolet
- rayukpant
- · Replies 2 ·
Help with circled geometry proofs
- LiHJ
- · Replies 2 ·
Grade 9 Math Help: Simplifying Radical Expressions
- Talonkabayama
- · Replies 7 ·
Let f(x)=3x^2+6x-10For which input x is the value of the function a minimum?
- Jurrasic
- · Replies 2 ·
Solving Answering Questions on de Moivres Theorem
- Theman123
- · Replies 5 ·
Absolute valuing both sides probably a big no-no in Math
- flyingpig
- · Replies 6 ·
How to show this mathmatically?
- Kaldanis
- · Replies 1 ·
Calculating errors (propagation)
- pwphysics101
- · Replies 1 ·
Is b less than or equal to 8 in this advanced equation?
- silenzer
- · Replies 2 ·
Negative Binomial and Chi-square
- sam_0017
- · Replies 1 ·
Proof in circles and tangents?
- vkash
- · Replies 6 ·
Polynomial Functions (word problem)
- anonymous12
- · Replies 3 ·
Trig: Writing the equation for vertical asymptote of a secant function?
- DinosaurEgg
- · Replies 3 ·
Probability Theory- Standard Normal Distributions
- dzza
- · Replies 3 ·
What Are the Dimensions of a Cereal Box with Given Proportions and Volume?
- anonymous12
- · Replies 1 ·
Converting complex numbers into cartesian and exponential form
- shackdaddy836
- · Replies 2 ·
Simplifying e^(14ln(x))
- Tricky557
- · Replies 5 ·
I can't make sense of this log property explanation?
- roger12
- · Replies 4 ·
Conditional probability question with set theory things
- zeion
- · Replies 1 ·
Proving Divisibility of Integers: k|mn, k|4m, k|4n
- notSomebody
- · Replies 2 ·
Proving completeness axiom equivalence with greatest lower bound property
- akak.ak88
- · Replies 1 ·
Q3:What are the probabilities of correctly identifying thornbill species?
- sam_0017
- · Replies 7 ·
Algebraic expression for U differing from 0.5 by more than 0.25
- magnifik
- · Replies 3 ·
Does factoring out 2x change the graph of 2x^4 + 2x^2 + 2x?
- Nelo
- · Replies 2 ·
Permutations of Michelle's name using any number of letters
- samiiv
- · Replies 1 ·
What Are the Dimensions of the Food Bank's Shipping Container?
- Nelo
- · Replies 8 ·
Induction / divisibility problem
- scumtk
- · Replies 6 ·
Solve the Chessboard Average Problem
- jobsism
- · Replies 7 ·
Rounding to required level of accuracy
- roger12
- · Replies 5 ·
Lim x-->0-: 2/x Does Not Exist
- Miike012
- · Replies 3 ·
Show that f is continuous at every point in R
- acacia89
- · Replies 1 ·
2 person's meeting probability
- crina26
- · Replies 2 ·
How do you solve ratio problems like these?
- roger12
- · Replies 3 ·
Finding standard deviation or error from normalized data.
- doublemint
- · Replies 1 ·
Modular Arithmetic Proof with exponents
- JPanthon
- · Replies 2 ·
Why ask for tan γ in terms of ratios d/l and h/l instead of d and h
- Expat09
- · Replies 1 ·
Bionomial theorem/ question (wp)
- Nelo
- · Replies 12 ·
Values of x for 3^x(x^3-2x^2-x+2)/x^3+6x^2+9x ≤ 0?
- appplejack
- · Replies 4 ·
How many ways can you arrange 5 identical balls into 4 boxes?
- jumbogala
- · Replies 13 ·
How many ways can we turn off 5 lamps along a street?
- kts1230
- · Replies 2 ·
Understanding Complex Numbers and the cis Formula
- Theman123
- · Replies 7 ·
Tricky counting problem(n distinct balls in n distinct boxes)
- chrisandmiss
- · Replies 1 ·
Complex Partial Fraction Expansion
- Number2Pencil
- · Replies 1 ·
Proving N C R x M C R-r = (N+M) C R
- the4thamigo_uk
- · Replies 3 ·
Finding polar coordinates for the point (-5, 3√7)
- imy786
- · Replies 11 ·
What is the optimal angle for a go-cart windshield to decrease wind drag?
- fpjeepy05
- · Replies 6 ·
Finding equation x = f(y) from a provided graph
- mri44
- · Replies 10 ·
Intersecting lines,circles,and parabolas
- Sumaya
- · Replies 4 ·
Finding x-intercept of y = -2(x+5)^4
- Jurrasic
- · Replies 3 ·
Proof of this probability equation
- zeion
- · Replies 2 ·
What is the angle of a complex number?
- l2udolph
- · Replies 2 ·
Partial fractions: different results from two methods
- bhoom
- · Replies 2 ·
Finding dimensions of reduced sandcastle box with polynomial equation
- Nelo
- · Replies 7 ·
How many bulbs will be switched on after all the students enter the classroom?
- agnibho
- · Replies 4 ·
Possible Permutations for Drawing with Replacement and Unordered Results
- zeion
- · Replies 5 ·
Probability of 3rd drawing is red?
- Cylab
- · Replies 1 ·
Probability that the p-th student in a line is a girl
- Cylab
- · Replies 1 ·
Converting Negative to Positive: Transforming -1 to 1 into 0 to 1 in Java
- bitttttor
- · Replies 3 ·
How Can I Solve the Equation (5R^2 + 11)^(1/2) = -4R?
- adaptation
- · Replies 6 ·
How do you factor something like 8x^6+64?
- appplejack
- · Replies 2 ·
Probability distributions and other variables.
- Beer-monster
- · Replies 9 ·
How Do You Simplify the Equation of a Quartic Function with Given Zeroes?
- Nelo
- · Replies 7 ·
Solving trigonometric inequalities
- LovePhys
- · Replies 3 ·
Graphing functions with limits at infinity and directional limits
- Jadenag
- · Replies 1 ·
Simplifying fractions and logarithms with algebraic steps
- PCSL
- · Replies 8 ·
Probability Q: Unordered Draws w/o Replacement
- zeion
- · Replies 4 ·
Domain / range of this function
- zeion
- · Replies 3 ·
2 domain/range problems from sample test
- ninjamonke
- · Replies 3 ·
Unit analysis - using measurements as variables - correct (?)
- Wolfowitz
- · Replies 3 ·
Volume of tetrahedron when you are given four planes
- borovecm
- · Replies 5 ·
How Do You Simplify f(x+h) for f(x) = x^3 - 7x^2 + x + 1?
- psp101
- · Replies 3 ·
Finding when lemonade sales exceed 10 glasses with S(x)=x³-12x²+36x
- Nelo
- · Replies 3 ·
Precalc Problem: Finding XMIN, XMAX, YMIN, YMAX with F(X) and its Properties
- HarveyBullock
- · Replies 6 ·
Find the point of intersection of three planes
- cluivee
- · Replies 5 ·
Does my quartic have complex roots
- Uniquebum
- · Replies 6 ·
Finding the Equation of a Parabola Tangent: Using Discriminant Method
- skae
- · Replies 3 ·
Evaluating trig identities without calculator
- PCSL
- · Replies 6 ·
Does a zero row in A mean BA has a zero column?
- -Dragoon-
- · Replies 1 ·
Proving r^n > r^m through mathematical induction
- tmay82
- · Replies 3 ·
How Accurate Are Your Function Transformations?
- ninjamonke
- · Replies 3 ·
Problem concerning square roots
- Remos
- · Replies 10 ·
Prove Summation Property: \displaystyle\sum\limits_{i=1}^n aij
- -Dragoon-
- · Replies 2 ·
Proof by Induction - Divisibility Proofs
- odolwa99
- · Replies 3 ·
What is the approach to solving limits using L'Hopital's rule?
- Jadenag
- · Replies 19 ·
Intersection of a line and circle
- bosonhiggs
- · Replies 1 ·
Real Roots of Exponential Equation (Involves Quadratic)
- seniorhs9
- · Replies 14 ·
Proving Orthogonality: Simple Matrix Question with Skew-Symmetric A"
- the4thamigo_uk
- · Replies 1 ·
Why is 5x not a polynomial function?
- Nelo
- · Replies 5 ·
Volume of Cone with Inscribed Sphere
- zeion
- · Replies 3 ·
Difference between limit points and boundary points
- reddevils78
- · Replies 1 ·
An unusually easy proof of vector.
- athrun200
- · Replies 1 ·
Why Does the Negative Sign Become Positive in Absolute Value Equations?
- Nelo
- · Replies 7 ·
How do I simplify a binomial division?
- pleasehelpme6
- · Replies 1 ·
Determining if polynomial function
- Nelo
- · Replies 3 ·
Finding matrix B when A²B = I
- athrun200
- · Replies 5 ·