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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How do I multiply (3√2x)(3√2x)?
- Stratosphere
- · Replies 8 ·
Probability of Satisfactory Tools in Packed Boxes: Solving for P
- rclakmal
- · Replies 2 ·
Calculating Radioactive Decay: Finding the Time for 80% Decay
- SETHOSCOTT
- · Replies 4 ·
Probability of Type I/Type II Selection in Lab Experiment
- roam
- · Replies 7 ·
Understanding Geometric Distribution
- rclakmal
- · Replies 5 ·
Natural domain of √(x(5-x)) and how to prove it algebraically
- imdapolak
- · Replies 2 ·
Finding radius and center of x^2+4x+y^2-3y=0
- imdapolak
- · Replies 2 ·
Statistics Question - Normal Distribution
- Chewy0087
- · Replies 1 ·
Finding eigenvectors from RREF of characteristic matrix
- SadSack
- · Replies 1 ·
Finding the Number of Solutions in [0,2pi) for log5(cos x) = -1/2
- Neophyte
- · Replies 8 ·
Proving sec x - tan x sin x = cos x
- chops369
- · Replies 3 ·
"Symmetric Relations: Is "Is Brother of" Symmetric?
- 385sk117
- · Replies 5 ·
Probability- independent events
- C.E
- · Replies 1 ·
How to solve the equation with square roots
- a1dogtraining
- · Replies 8 ·
How Do You Determine the Free Variable in Linear Systems for Eigenvectors?
- roam
- · Replies 3 ·
Image spanned by its eigenvectos
- yanky
- · Replies 1 ·
How Do Tangents and Chords Affect Angles in Circles?
- Turquoise
- · Replies 7 ·
Show that Dot-Product is Distributive
- Saladsamurai
- · Replies 23 ·
Solve Log Equation: Find Value of x
- kukki1990
- · Replies 2 ·
How Do You Solve for Distance When Two Waves Travel at Different Speeds?
- vorcil
- · Replies 10 ·
Proving the power rule by induction
- heimdal
- · Replies 2 ·
Determine if plane perpendicular to line
- username12345
- · Replies 4 ·
Complex Power Series: Does Absolute Convergence Imply Convergence?
- Niles
- · Replies 2 ·
Is P Inversely Proportional to R Squared?
- asd1249jf
- · Replies 2 ·
What is the distance between two parallel planes?
- 385sk117
- · Replies 3 ·
Solving r=5sin(2^): What Do the Options Mean?
- 1672978
- · Replies 3 ·
Solving log₄(5-x) - log₄(3-x) = 2
- tweety1234
- · Replies 7 ·
Identifying reduced row echelon form and single row operations
- vorcil
- · Replies 1 ·
How Can Intersection of Indexed Family Sets Belong to Their Power Sets?
- nike5
- · Replies 4 ·
Finding the modulus and argument of z⁻¹ where z = cis θ
- 385sk117
- · Replies 5 ·
Help with solving a puzzle
- pnaik2008
- · Replies 14 ·
Sine laws with Oblique Triangles: The Tower of Pisa
- HOFBrINCl
- · Replies 1 ·
Check my work: matrix systems and row reduction
- vorcil
- · Replies 3 ·
Finding (AB)^-1 using given inverse matrices
- Ownaginatious
- · Replies 4 ·
Solving sin²(x - π/4) = 1
- nvez
- · Replies 2 ·
Fraction Simplification: (1-(y2/x2))/(1+(y2/x2))
- geffman1
- · Replies 1 ·
Show that the triangle is a right triangle
- bbanbury
- · Replies 2 ·
Mathematical notation: 2.00 E + 00 and 1.00 E + 01 ?
- questions_uk
- · Replies 3 ·
When to use the quadratic formula with b²-4ac vs b²-ac?
- Lavace
- · Replies 9 ·
Solving a Complex Math Problem: Real and Imaginary Solutions
- Noir
- · Replies 3 ·
Minimizing material for an open box with square base and 38 cubic feet volume
- Gay4Functions
- · Replies 2 ·
Find the values of k so that lines are perpendicular using symetric equations
- soulja101
- · Replies 1 ·
Proving cos x - cos y = -2 sin((x+y)/2) sin((x-y)/2)
- mathnewb
- · Replies 2 ·
Rearranging 0 = -4x²/2 + 5/2(x-2)² + 16.7
- skaboy607
- · Replies 2 ·
Yes or no, Can you square root a zero
- venger
- · Replies 11 ·
Algebra - roots of the equation
- Radwa Kamal
- · Replies 1 ·
Find (a,b) for a system of linear equations given
- LTP
- · Replies 3 ·
Finding unit normal and distance for plane x + 2y – 2z = 15
- mrneglect
- · Replies 4 ·
Maths question on making the subject
- questions_uk
- · Replies 4 ·
Solving (e^x)^2-5(e^x)=0 by taking logarithms
- xxwinexx
- · Replies 3 ·
When will the line intercept the ellipse a second time?
- diffusion
- · Replies 3 ·
Simplify cofunction expression
- synergix
- · Replies 6 ·
Law of sines and triangle solutions
- Neophyte
- · Replies 5 ·
Proving four trigonometric identities with sums and products
- mathnewb
- · Replies 1 ·
Trigonometric Identity Puzzle: Solving (1-cosx)/(1+cosx) = (cscx-cotx)^2
- DecayProduct
- · Replies 2 ·
Trigonometry Identity problem I been trying to solve all day
- Juliano
- · Replies 8 ·
A few more trig problems ( Sin(α + β), etc. )
- rought
- · Replies 5 ·
Equivalent expression for sinx^3
- synergix
- · Replies 1 ·
Solve cosx^4-sinx^4: Confirm My Answer?
- synergix
- · Replies 2 ·
Perimeter of a triangle which circumscribes by 3 circles
- Paradiselovek
- · Replies 3 ·
Solving tan(2x) + tan(x) = 0
- rought
- · Replies 5 ·
Maximum power in circuit with given voltage and current functions
- bahramm
- · Replies 1 ·
Solve (2sinx-1)(tanx-1) = 0 for 0 < x < 2π
- cybernerd
- · Replies 1 ·
What is the Time for a Wave to Travel on a String in Circular Motion?
- Mugen Prospec
- · Replies 23 ·
How Do You Solve for Sin(theta/2) Using the Half Angle Formula?
- daliberataaa!
- · Replies 1 ·
Used l'hopitals rule too many times?
- a.a
- · Replies 21 ·
Solving Trigonometric Equations?
- Neophyte
- · Replies 6 ·
Finding the normal from point M(2,3,1) to a line in 3D
- chmate
- · Replies 8 ·
General solution of a differential equation
- Briggs
- · Replies 1 ·
Find the determinant using row operations
- vs55
- · Replies 5 ·
Standardized test scores with mean 720 and SD 83
- tempface7
- · Replies 3 ·
Simplifying the Trigonometric Expression Question
- Deaddman
- · Replies 5 ·
Linear algebra, rank and nullity
- vs55
- · Replies 1 ·
[complex functions] polynomial roots in a convex hull
- rahl___
- · Replies 1 ·
[complex functions] finding complex roots in 1+z+az^n
- rahl___
- · Replies 2 ·
Cow tethered 50m from barn corner: how much ground can it graze?
- Paradiselovek
- · Replies 5 ·
Is the Limit of Infinity Over Its Square Root Equal to 1?
- Schniz2
- · Replies 8 ·
When do you need to check your answers?
- Rib5
- · Replies 10 ·
Exponential Growth in Species A and B: Solving for Initial Grams
- jackleyt
- · Replies 4 ·
How Deep Will Water Be in a Tank After Two Hours?
- jackleyt
- · Replies 1 ·
How to prove sin(π/2 + θ) = cos θ
- Rosita
- · Replies 1 ·
Finding parabola equation from vertex (2,4) and focus (2,6)
- TheLastLetter
- · Replies 1 ·
Law of Sines problems that involve a perpendicular
- KYPOWERLIFTER
- · Replies 4 ·
Solving complex simultaneous equations with sinh and cosh
- KFC
- · Replies 3 ·
How to Solve Traffic Flow Problems Using Linear Algebra?
- vs55
- · Replies 6 ·
Taylor Expansion of e^{i \vec{k} \cdot \vec{r}}
- latentcorpse
- · Replies 4 ·
Equation for set of linear graph lines
- fdore45
- · Replies 5 ·
Why does sin θ ≈ θ for small angles?
- Pietair
- · Replies 2 ·
Solving (1/2)x^4-x^2-1=0
- nameVoid
- · Replies 3 ·
Finding Coordinates of Point P in Quadrant 2 with sin(-)=m
- FalconF1
- · Replies 5 ·
Solving exponential simultaneous equations
- MathsDude69
- · Replies 1 ·
How to Express Trigonometric Functions in the Form x = Rsin(t + ø)?
- MathsDude69
- · Replies 7 ·
Converting mV to Joules: How to Calculate?
- questions_uk
- · Replies 1 ·
Complex Numbers - Finding roots
- ff_yy
- · Replies 1 ·
Simplifying cot²x·secx + 1/cosx
- Kiff
- · Replies 5 ·
Proving 1 + tan^2X = 1 / cos^2X for 0 < X < 90 in a Right Triangle
- crazy_v
- · Replies 3 ·
Simplifying Factorial Expressions Using the Ratio Test
- roam
- · Replies 11 ·
Solve for z: 2.3(1.2)^5z = 3(4.1)^z
- silentsaber
- · Replies 4 ·
This is an easy problem that I don't know why I'm having trouble with it
- Grayfox8604
- · Replies 2 ·
What are the frequencies of the fundamental and first two overtones?
- jlwood13
- · Replies 7 ·