Precalculus Mathematics Homework Help Forum

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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.
Matrix-Vector Form Write an Augmented Matrix
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Counting Problem (ways of choosing 3 with conditions)
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Adjacency matrix and probability matrix
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The Mysteries of De Moivres Theorem and Euler's Formula
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Separate Variable Homework: Solutions & Equations
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Solving Graph of Sinusoid Homework Problem
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Solving Homework Questions: Modulus, Arg, Roots
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Solve Nested Quantifiers Problem #5 - Professor's Handout
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Truth table help.... did I do it correctly
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For z = x+iy find the relationship between x and y
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Prove that {x∈ℤ : 2|x} ∩ {x∈ℤ : 9|x} ⊂ {x∈ℤ : 6|x}
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Combinatoric Problem: Path to [20,30]
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Complex Number Equations: Solving for z and Finding the Perpendicular Bisector
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What would be the best word to describe this behavior?
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ABCD forms a rectangle. With 3 points, A,B,C, find D.
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Probability of Cheryl Getting 2 Marbles of Same Color
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I can really use a hand on finding vertex
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Advanced Arithmetic: Find Min Digits for Fraction Decimal
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Finding limits to a piecewise function (3 pieces)
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Parametric and canonical equation of the line
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Is there an easier way to do this question about series?
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Unit Vectors as a Function of Time?
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Understanding Exponent Multiplication: cnxn-1
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R^(1/2) Question, half dimension space meaning?
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Solve Trigonometry Problem: Find the Value of a Series of Cosine Squared Terms"
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A quick question on imaginary number
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How Do You Calculate Projection and Symmetry in Vector Geometry?
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Is Bernoulli's Inequality Applicable to Prove These Inequalities?
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A question about factorials, nCr
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Quadratic and linear Intersection
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Isomorphism to subspaces of different dimensions
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Complex numbers simplification
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Does every natural number n being even and prime imply that there is a unique n?
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Advanced Vector Problem: Ships
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If two vertices of a square on the same side AB are A(1,2) and B(2,4)....
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Sum of range of numbers divisble by 6 but not by 9
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Graph theory (incidence matrix and linear algebra)
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What Values of x Allow Convergence in a Geometric Sequence of Sine Functions?
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Set Theory Question: a ∩ b ⊆ a
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Graph theory proof (Unlabeled trees)
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Transform General EQ Acos(wt)+Bsin(wt)
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Proving a Tree is a Minimally Connected Graph in Graph Theory
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Stuck on a question from Precalculus 2
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Shortest Distance Between Two Latitude/Longitude Coordinates
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Is this expression infinitesimal, finite, or infinite
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Proving a Cycle Exists in Finite Graphs with Degree 2+ Vertices
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Mean, variance and correlation - Multinomial distribution
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Intro to abstract math—basic notation
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Watch problems gaining and losing time
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How Do You Calculate Dot Products in Geometric Problems?
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Least squares problem: am I solving it correctly?
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Find the sets of real solutions
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Trying to solve |2x-1|-|x+5|-3=0
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Does Induction Work for Proving Graph Theory Statements?
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Venn Diagram Car Park Problem: L-plates & GB-plates Explained
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Solving Quadratic Equations - (x2+3x+3)1/3 + (2x2+3x+2)1/3 = 6x2+12x+8
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What Is the Value of a(16) When No Two Heads Occur Consecutively in Coin Tosses?
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Finding inverse of a Sin function (problem from Mooculus)
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Proof about isomorphism (Graph Theory)
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Why is my partial fraction decomp. wrong?
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Find the set that contains the real solution to an equation
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Questions about linear independent and spanning set and basi
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Linear Transformation l:R3 to R2
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Linear Transformation: Find the matrix
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Wall Tiling: 200 Tiles & 20,000 cm2
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Working out profits and loss from a tombola ticket sale
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Calculating Diagonals of a Polygon: What are the Values of p and q?
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Currency Conversion in Hobbit Land
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Solving Triangle ABC: Finding Value of x
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Simplifying square root of an irrational
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How Many Plain Chocolates with Soft-Centers Are in the Kiddimix Box?
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Function Machines: 6-12, 8-20 | Free Homework Help
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Values of Letters: Find the Value of TABLE
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Solve Height Puzzle: Find Davina's Height Using Algebraic Equations
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What is the height of the parabolic arch at a point 1 foot in from the base?
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Jack's Growth: From 90cm to 105cm in 1 Year
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Running around a track (km/hr)
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Is There a Quicker Way to Find All Possible Values of h for fh(a+bx+cx2+dx3)?
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Critical combinatorics problem
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How to Solve the Complex Polynomial Product Equation?
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Simplifying a fraction (block reduction, control)
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What is the Exponential Growth Rate of Cells under a Microscope?
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Simplifying expression with vectors
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Number of Paths from O(0,0) to A(7,8) - No (3,4)
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Simplifying Fraction: (6x+12y)/(10a+5) * (100a^2-25)/(9x^2-81y^2)
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Is This the Correct Way to Simplify Complex Fractions?
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Multiplying Fractions: Simplifying with GCF
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What is the volume of the biggest piece in this geometry tetrahedron problem?
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Arriving at parabola formula via distance formula
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Why does (-1)^n appear in the power series for 1/(1+(z-1))?
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Triple Product of Vectors: Coplanar or Collinear? Understanding the Result
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Poisson Distrib.: Estimating Mean of Data Set
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Argument of a random complex no. lying on given line segment.
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Inequalities of negative arguments in complex numbers
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How Do You Solve Exponential Inequalities Using Logarithms?
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Prove by induction: 2^n >= 11n + 17
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Applying binomial theorem to prove combinatorics identity
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Determining whether floor((n+1)/2) is 1-to-1 or onto
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How to prove if 3 arbitrary vectors are coplanar
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Determining the form of the real solution set?
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