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.
Using inverses to solve systems of equations
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"Calculating Korifice Value in Cranes TP 410M, Problem 7-12
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Solve 2 Triangle Problem: Calculate Exact Value of x
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Is it ok to assume matrices A and B as identity matrix?
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Find the GCD of the given complex numbers (Gaussian Integers)
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Solving Equations: Does Squaring Make False True?
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Proving inverse of a 2 x 2 matrix is really an inverse
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What Does Commutation Mean for Matrices A and B?
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Problems in manipulating these 4 radical equations
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Show that ##f(x)=2',1',2'## in the irreducible Polynomial
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Transformations to both sides of a matrix equation
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Is there a rule that states that I should not divide in this scenario?
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Deriving algebraic definition of cross product
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Free variables for a matrix in REF
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Gauss-Jordan Elimination algorithm steps
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Finding vectors parallel to a given vector
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Identifying the type of expression
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Finding the value of lambda so that two lines are parallel
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What Are the Combinatorial Possibilities of Glucose Polymers with n Monomers?
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Interchanging x and y for inverse function
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Solving an Asymmetrical Inequalities Problem: Seeking Light
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Cannot understand what ##(mod ~ \pi)## means in the given formula
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Is ##f(x)=2^{x}-1## considered an exponential function?
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Trig Identities - Pre-calculus in a Nutshell - Section 4 Question 1
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3x3 matrix with complex numbers
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Inequality question -- Need help getting started...
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Is it Possible for x^2 to Exceed 900?
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Calculating the distance from a point to a plane
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Why Does Flipping the Denominator in Complex Fractions Give the Wrong Answer?
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Solving a nested logarithmic equation
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Find all the ways of writing N into x^2-y^2
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Solving Plane Equation 3x + 2y -z = 4
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Find the range of values of a + b
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How to Simplify This Trigonometric Equation Using Substitutions?
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Find the coordinates of D which lies on the vector BC
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Two roads meeting a river at different angles (heights and distances)
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Why is this result different? (calculating the sides of a triangle)
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Make ##x## the subject of the formula
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Find the Area of the shaded region in the given problem
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I don't understand this step in turning this negative into a positive
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A formula involving the sum of cosines of the angles of a triangle
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Algorithm problem involving 3 points and 3 lines in the x,y plane
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Simplifying this complicated fraction
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Finding the domain of a composite function
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Prove that there are infinitely many primes of the form ## 6k+1 ##?
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How can I simplify 1/cuberoot(2)?
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Geometry: prove that point M is touched by 4 circles
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Justifying Equilateral Triangle AEF in ABCD
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Is (y + z)x1 = (y1 + z1)x the equation of a straight line in 3D space?
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Solving a⁻¹ - b⁻¹ = b - a /(ab)
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Calculating Left Hand Limit: ##\sqrt 6##
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Find an equivalent equation involving trig functions
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MHB Find this unknown angle in the triangle
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What Is the Next Step in Solving This Logarithmic Equation?
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Find angle B in the trigonometry problem
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Solve the given trigonometry problem
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Solve the given equation that involves fractional indices
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Finding the angle between two vectors
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Solving an absolute value quadratic inequality
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How to find z^n of a complex number
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Probability of not getting a prize
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What are the implied domain and range of cos(arctan(x))?
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Area of Quadrilateral inside a rectangle
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Are both sample spaces the same or do they mean different things?
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Geometry problem with arcs in a triangle
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Writing a logarithm in a form not involving logarithms
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Solve the given vector problem
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Understanding Negative Velocity and Displacement on a Velocity-Time Graph
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Quadratic inequalities with absolute values
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Triangle formed by straight lines
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Need Aid On This Problem Set (Combinations of Month Numbers in 10 Years)
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Formula for Xo and Yo for graph of quadratic function
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Prove that ##AE=2BC## -Deductive Geometry
2
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Is it possible to find the range of this function?
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Limit question to be done without using derivatives
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Find the values of a and b in the given polynomial
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Show that ##P(X=2)=\dfrac{2}{15}##
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Choose a ball at random from a randomly selected box - alternative way
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Do We Need Boundaries for Fraction Equations?
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Quadratic equation: Which way is correct? pic1 or pic2?
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Complex numbers problem |z| - iz = 1-2i
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Logarithm Questions - Solve Now!
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How do you find the LCM and HCF?
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A problem related to divisibility
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Changing the base of a logarithm
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How to apply BODMAS correctly in the given problem
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Stopping the Bus in 100m - Can it be done?
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Laws of Logarithms: Definition & Examples
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Calculating Probability Using Bayes' Formula: Solving for P(urn III | silver)
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Prove that ## g(x)=f(x)\log {x}-\int_{2}^{x}t^{-1}f(t)dt ##.
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How Can I Solve a System of Equations With Complex Numbers?
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Solve for ##x## in the Given Problem
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How Can I Solve ##1+i^3+i^5+...+i^{553}+i^{555}\ ?##
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InWhat Situations Do We Enounter the Golden Ratio?
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How to prove this using Abel's summation formula?
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Estimating the Gradient of a Graph: Student's Attempt
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Proof about two disjoint non-empty sets ## S ## and ## T ##
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Divisibility Test: Determine if a Number is Divisible by 6, 8, 4
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Proving the result of the following limit
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Express the given matrix in the form ##L_1DU_1##
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