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 4 + x = 4(2)^x algebraically
- IntegralDerivative
- · Replies 10 ·
How to simplify cube root expression
- Daniel McKinley
- · Replies 5 ·
Approaching vehicles with acceleration
- JohnnyGui
- · Replies 5 ·
Graph r = 6 cos() issues with plotting on xy-plane
- Vital
- · Replies 9 ·
A problem in Trigonometry (Properties of Triangles) v3
- Wrichik Basu
- · Replies 8 ·
Geometric interpretation of complex equation
- WubbaLubba Dubdub
- · Replies 5 ·
A problem in Trigonometry (Properties of Triangles) v2
- Wrichik Basu
- · Replies 7 ·
A problem in Trigonometry (Properties of Triangles)
- Wrichik Basu
- · Replies 3 ·
How many sets of 6 can be made from a set of 12
- Vector1962
- · Replies 18 ·
Determining a trigonometric limit
- Bunny-chan
- · Replies 2 ·
Linear dependency matrix problem
- Taylor_1989
- · Replies 8 ·
Number of pairs of integers satisfying this sum
- timetraveller123
- · Replies 15 ·
Compare LHS and RHS: Solve Problem Equation
- zak100
- · Replies 4 ·
A clock problem [equation solving]
- mech-eng
- · Replies 21 ·
Remainder when 1·1! + 2·2! + ... + 12·12! is divided by 13
- Young wolf
- · Replies 1 ·
What does B_perp = B sin θ mean for a vector?
- Taylor_1989
- · Replies 15 ·
Reflecting a triangle over an oblique line
- zak100
- · Replies 15 ·
An equation for an algebra word problem
- mech-eng
- · Replies 10 ·
Mathmatical model of a pendulum
- bju
- · Replies 1 ·
How is the xy curve formed from the rθ curve?
- Vital
- · Replies 14 ·
Angle between two lines of sight from a fire tower
- Vital
- · Replies 4 ·
Finding tree height on a sloped road using the law of sines
- Vital
- · Replies 8 ·
Circles and Euler spiral (repost from general math)
- Mario
- · Replies 2 ·
Solving for x in the Inequality cos(x) ≤ 5/3
- Vital
- · Replies 15 ·
Suppose y is directly proportinal to x
- mech-eng
- · Replies 9 ·
Solve the equation, exact solutions in [0, 2π)
- Vital
- · Replies 7 ·
Finding phase angle φ = π/3 in damped oscillation
- Vital
- · Replies 4 ·
How to solve for the general solution in a vector linear relationship?
- Taylor_1989
- · Replies 8 ·
Rewrite the given function as a sinusoid - why so different
- Vital
- · Replies 6 ·
Find the domain of arccsc(e^2x)
- Vital
- · Replies 7 ·
Euclidean and non Euclidean geometries problems
- nmego12345
- · Replies 4 ·
Rewrite function if moved by a vector and is mirrored
- JG FRANKO
- · Replies 1 ·
Supremum and infimum of specific sets
- Bunny-chan
- · Replies 61 ·
Is it possible that a subspace is not a vector space
- tze liu
- · Replies 14 ·
Geometry - Arcs created by Secant Lines
- marenubium
- · Replies 3 ·
Computing arctan (inverse tan) function
- Vital
- · Replies 10 ·
Show that the function is a sinusoid by rewriting it
- Vital
- · Replies 4 ·
Graphs of sin and cos, how to set points for x values
- Vital
- · Replies 2 ·
Region defined by -1 < r < 0, π/2 < θ < 3π/2 in polar coordinates
- BillyC
- · Replies 8 ·
GCD theorem definitions and when x, y can be negative
- knockout_artist
- · Replies 1 ·
Number theory - fields, multiplication table
- Rectifier
- · Replies 32 ·
Solve equation using quadratic formula
- David23454
- · Replies 15 ·
Greatest common divisor proof
- knockout_artist
- · Replies 9 ·
Least distance between two complex numbers on two loci
- moriheru
- · Replies 4 ·
Two-value system with square roots
- Alex126
- · Replies 5 ·
Find the equation of the plane given point and line (3D)
- alexandra2727
- · Replies 2 ·
How Many Ways to Misplace Letters and Form Specific Subsets?
- doktorwho
- · Replies 10 ·
3-D vectors forces exerted upon a mast
- late347
- · Replies 7 ·
Asymptote of a curve in polar coordinates
- Faiq
- · Replies 6 ·
Derivation for number of periods finance formula
- issacnewton
- · Replies 8 ·
Converting standard to polar form
- Arnoldjavs3
- · Replies 6 ·
Finding α+β+αβ when polynomial coefficients are in arithmetic progression
- donaldparida
- · Replies 24 ·
Finding Linearly Independent Vectors in Subspaces
- Faiq
- · Replies 6 ·
Antisimmetric relations question
- doktorwho
- · Replies 1 ·
Finding data points when median of eight numbers is 19
- Ethan_Tab
- · Replies 2 ·
Prove by induction that u_n < 4 for all n ≥ 1
- Faiq
- · Replies 24 ·
When Do Points on Two Different Ferris Wheels Align?
- LaplacianHarmonic
- · Replies 20 ·
Calculate circle radius with segment height and perimeter
- Oppogo
- · Replies 7 ·
Values of x for which a geometric series converges
- ellaingeborg
- · Replies 1 ·
Find roots of the EQN: r^3-r^2+1=0
- fridakahlo
- · Replies 16 ·
Parallelogram area (coordinates)
- Alex126
- · Replies 8 ·
Prove that lim x -> 0 sin (1/x) doesn't exist
- Portuga
- · Replies 7 ·
Minimum of x+1/x (Perimeter Square < Perim equal area rects)
- CynicusRex
- · Replies 1 ·
Counter example to invertibility of f and g from invertible f∘g
- eq1
- · Replies 2 ·
Find the values of b for which the roots are positive
- Mr Davis 97
- · Replies 11 ·
Hyperbola and the Line in the Cartesian coords.
- frostysh
- · Replies 6 ·
Solving 3cos(θ) + 1.595sin(θ) = 3.114
- flgdx
- · Replies 5 ·
How to find unknown values in a matrix?
- red1312
- · Replies 2 ·
Geometric average versus arithmatic average
- Niles
- · Replies 2 ·
Solving the Boy Girl Paradox Probability for Random Families
- Verdict
- · Replies 9 ·
Solving 2 - log₁₀(3x) = log₁₀(x/12)
- OnlinePhysicsTutor
- · Replies 10 ·
Visualize this type of Combined Trigonometric Functions
- pairofstrings
- · Replies 24 ·
How to solve a geometry problem involving concentric rectangles?
- Alex126
- · Replies 8 ·
Maximum area of triangle inside a square
- issacnewton
- · Replies 3 ·
Proving inequality related to certain property of function
- songoku
- · Replies 5 ·
Deriving the sum of sin and cos formula
- Mr Davis 97
- · Replies 2 ·
Converting a simplified equation to Cartesian form
- javii
- · Replies 9 ·
Algebra problem involving work using specific heat ratio
- gmaverick2k
- · Replies 10 ·
Why is it necessary to assume equal variances in two sample t tests?
- Faiq
- · Replies 5 ·
Calculating the New Average Age of HR Department
- matrixone
- · Replies 1 ·
Are single-point sets S = {(1,1)} and T = {(0,0)} convex?
- matrixone
- · Replies 4 ·
Segment with endpoints on axes traces elliptical paths
- frostysh
- · Replies 4 ·
Proving centroid distance relations for triangle ABC
- matrixone
- · Replies 13 ·
What is the equation of the tangent line to a circle passing through the origin?
- lPhoenixl
- · Replies 5 ·
Trigonometric graph transformation
- ArjenB
- · Replies 2 ·
Proving the Equality of Two Fractions Using Algebra
- Kara386
- · Replies 3 ·
Show (a+1)(b+1)(c+1)(d+1) < 8(abcd+1) for a,b,c,d > 1
- ssd
- · Replies 4 ·
What is the PDF of the sum of n, iid, non central chi-square
- deema_master
- · Replies 7 ·
Logic: exclusive-OR statements to form AND/OR statements
- Back2College
- · Replies 3 ·
How Many Regions and Convexity with n Straight Lines on a Plane?
- matrixone
- · Replies 11 ·
Prove that there is a point equidistant from 4 other points
- matrixone
- · Replies 14 ·
Finding the Height of a Circular Roller in a Symmetric Worm Thread
- Epsilon645
- · Replies 4 ·
Finding the polar form of a complex number
- javii
- · Replies 5 ·
Matrices:- Range and null space
- Faiq
- · Replies 2 ·
Write 1729 as the sum of two cubes
- albertrichardf
- · Replies 10 ·
Combinatorics: a set of 30 from unlimited objects
- Lord Anoobis
- · Replies 14 ·
Finding LCM of -5π/3 and π/2 on the unit circle
- Giu1iano
- · Replies 7 ·
How to Draw an Arc Starting at a Specific Point
- zak100
- · Replies 2 ·
Does a Positive Definite Hermitian Matrix Always Have a Positive Determinant?
- David932
- · Replies 3 ·
Find equation of plane given conditions
- Mr Davis 97
- · Replies 2 ·