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.
Difference between -3² and (-3)² ?
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Matrices: if AB=A and BA=B, then B^2 is equal to?
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Are the following statements true? (1) a∈{{a},{a,b}} and (2) b∈{{a},{a,b}} true?
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Find the smallest value of angle ##α + β ##
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An inequality involving ##x## on both sides: ##\sqrt{x+2}\ge x##
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Solve the problem that involves ##\cos^{-1} x + \cos^{-1}y##
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Solve the given problem involving: ##\tan^{-1} (2x+1)+ \tan^{-1} (2x-1)##
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Solve the problem that involves diameter of the Bullseye
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690
Partial Fraction Decomposition
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Prove that the given inverse trigonometry equation is correct
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Show that the ratio ##x+y:x-y## is increased by subtracting ##y##
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968
I don't get a step with this quadratic question
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951
Solve these simultaneous equations
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Solve the given simultaneous equations
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807
Is ##9\sqrt[3]{-3}## Equivalent to ##-9\sqrt[3]{3}##?
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753
Solve for ##u## and ##v## in the given equations
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624
Solve the given simultaneous equations in x^2, x and y
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Solve the simultaneous equations involving x, y, and their squares
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832
Simplifying (b-a)/(a-b): A Scientific Approach
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920
Question about this technique for solving simultaneous equations
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Number of ways to partition n persons and probability to form n groups
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Applications of algebraic expressions
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777
Probability using combinations or alternatives
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Basic probability question (1 boy + 2 girls of a group of 7)
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Find the total number of ways of coloring the eight regions
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Question about permutation formula -- How to use the formula when r = 0 ?
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6
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942
Discover Circle Theorem Help for Triangle PST: PSR Angle = 77 Degrees
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738
Find the area of the quadrilateral OCBAO
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878
Calculating Cable Turns for a Job
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Solve the problem that involves iteration
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Solve the given problem involving functions: f(x)=|ax-b| and y=f(x)+c
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Solve the given problem involving logarithms
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Prove this variation: If a+b ∝ a-b, prove that a^2+b^2 ∝ ab
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11
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Proving trig identities -- Is the method related to the unit circle?
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Derivative of a piecewise function
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Solving for a, b, and c in this equation for $ revenue for a circus
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4
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828
Solve the given problem that involves binomial theorem
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909
Ideal Straight Line Fit for a Temperature Sensor Output
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2
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879
How Did 1886 Dutch Students Solve This Complex Math Problem?
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Finding compound interest formula
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885
Solve the given problem that involves Trigonometry
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961
Find the possible values of angle ##∠ADB##
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2
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823
Determine the position vector of ##C##
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Prove that these three ratios are equivalent
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Adding square roots of ##i## leading to different answers!
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21
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How Did the Author Derive the Perfect Square from the Algebraic Equation?
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5
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993
Vector addition and subtraction
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1K
Calculating Radius & Water Depth of a Spherical Bowl
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Evaluating the angle theta using inverse sin
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977
Finding the solution to system of 3 equations with 3 unknowns
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761
Complex numbers confusion (how they got this expression in orange to become -1)
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25
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2K
Conceptual question on equations of the form ##x=ay^2+by+c##
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5
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How Do You Form a Linear Equation for the Equipment's Value Over 10 Years?
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Is it possible to find a number x such that 5 < x < 1?
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26
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If 1=5, 2=25, 3=125,4=1880, 5=?
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Number of lines equidistant from four points on a plane
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Chance of Selecting Twins from Group of 30 [Solved!]
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Plotting points in three-dimensional space
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Trying to understand the property of absolute value inequality
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Using inverses to solve systems of equations
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796
"Calculating Korifice Value in Cranes TP 410M, Problem 7-12
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6
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Solve 2 Triangle Problem: Calculate Exact Value of x
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7
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2K
Is it ok to assume matrices A and B as identity matrix?
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25
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Find the GCD of the given complex numbers (Gaussian Integers)
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4
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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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8
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985
Transformations to both sides of a matrix equation
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25
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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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684
Finding the value of lambda so that two lines are parallel
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Exploring the Math of Glucose Polymers: Understanding 6^n
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6
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959
Interchanging x and y for inverse function
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Solving an Asymmetrical Inequalities Problem: Seeking Light
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29
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Cannot understand what ##(mod ~ \pi)## means in the given formula
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7
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843
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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24
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3x3 matrix with complex numbers
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Inequality question -- Need help getting started...
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7
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813
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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8
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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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863
Find the coordinates of D which lies on the vector BC
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4
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830
Two roads meeting a river at different angles (heights and distances)
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7
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807
Why is this result different? (calculating the sides of a triangle)
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6
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Make ##x## the subject of the formula
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15
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883
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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6
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870
A formula involving the sum of cosines of the angles of a triangle
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6
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1K

Precalculus Homework Help

Precalculus Homework Help involves providing support to students working on assignments related to precalculus, a preparatory course that covers mathematical concepts essential for calculus.

This assistance includes clarifying precalculus topics such as functions, trigonometry, algebraic expressions, and graphing. Tutors or resources offering precalculus homework help aim to reinforce students' understanding of foundational mathematical principles and prepare them for the more advanced concepts introduced in calculus.

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