Precalculus Mathematics Homework Help Forum

Post thread
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.
Find the smallest integer ## a>2 ## such that ## 2\mid a ##
Replies
3
Views
929
Optimizing Null Space Solutions: How to Remove Zeros in Rank Deficient Matrices
Replies
10
Views
620
Complex mapping z ↦ ω = (z − a)/(z − b)
Replies
5
Views
545
Partial Permutation, Combination question for buying dogs at the pet store
Replies
19
Views
813
How can we fairly distribute food among four people with different appetites?
Replies
27
Views
622
What is a point of using complex numbers here?
Replies
3
Views
522
Statistics and Probabilities: How many type A pigs from the farm's herd of 1,000 pigs have 3 DYL blood?
Replies
21
Views
653
Combination, partial permutation
Replies
1
Views
445
Drawing marked balls from an urn
Replies
10
Views
777
Basic counting methods — integers between 1 and 100 that are divisible by 7
Replies
19
Views
949
Inequalities With negative numbers and switching x -- therefore switching the sign
Replies
8
Views
495
S=u*t+a*t^2/2 VS ratio 1:2:3:5... t1/t10= ...
Replies
8
Views
821
Find an integer having the remainders ## 1, 2, 5, 5 ##
Replies
7
Views
1K
Basic combinatorics: How many ways can 4 boys and 4 girls sit in a row such that no 2 girls sit together?
Replies
27
Views
1K
A railway carriage will accommodate 5 passengers on each side
Replies
4
Views
634
MHB Volume and surface area of "One World Trade Center"
Replies
6
Views
2K
Probability related to cumulative distribution function
Replies
4
Views
650
Two link planar robot elbow errors in textbook (Inverse kinematics)
Replies
3
Views
522
Poisson Probability Distribution Problem
Replies
19
Views
12K
Find the value of ##k^2## in the problem involving trigonometry
Replies
7
Views
1K
Prove that ## 4\tan^{-1}\left[\dfrac{1}{5}\right]- \tan^{-1}\left[\dfrac{1}{239}\right]= \dfrac{π}{4}##
Replies
13
Views
738
Ratio of the sum of ##n## terms of two AP series
Replies
9
Views
549
Decompose 4x4 determinant into 24 determinants -- How many are zero?
Replies
1
Views
535
Solve ## 4x+51y=9: x=15+51t, y=-1-4t ##
Replies
2
Views
1K
Solve the equation: ##\tan x ⋅\tan 4x = 1##
Replies
4
Views
829
Prove 0<a<1, 0<b<1, then ab<a
Replies
4
Views
562
Understanding Cubic Factorization: Solving for Roots with a and -2a
Replies
6
Views
592
Identifying matrices as REF, RREF, or neither
Replies
1
Views
729
Limit to Infinity of Quotient with Square Root - Reducing the Equation
Replies
8
Views
580
Proving a trigonometric identity with ##\sin^4## s and ##\cos^4## s
Replies
12
Views
706
Binomial Theorem - determine the term with...
Replies
18
Views
1K
Roots of a polynomial mixed with a trigonometric function
Replies
14
Views
812
Difference between -3² and (-3)² ?
2
Replies
53
Views
3K
Matrices: if AB=A and BA=B, then B^2 is equal to?
Replies
18
Views
2K
Are the following statements true? (1) a∈{{a},{a,b}} and (2) b∈{{a},{a,b}} true?
Replies
8
Views
785
Find the smallest value of angle ##α + β ##
Replies
11
Views
704
An inequality involving ##x## on both sides: ##\sqrt{x+2}\ge x##
Replies
3
Views
1K
Solve the problem that involves ##\cos^{-1} x + \cos^{-1}y##
Replies
3
Views
626
Solve the given problem involving: ##\tan^{-1} (2x+1)+ \tan^{-1} (2x-1)##
Replies
10
Views
578
Solve the problem that involves diameter of the Bullseye
Replies
2
Views
498
Partial Fraction Decomposition
Replies
4
Views
797
Prove that the given inverse trigonometry equation is correct
Replies
5
Views
570
Show that the ratio ##x+y:x-y## is increased by subtracting ##y##
Replies
4
Views
655
I don't get a step with this quadratic question
Replies
12
Views
691
Solve these simultaneous equations
Replies
6
Views
587
Solve the given simultaneous equations
Replies
8
Views
623
Negative sign in cube root
Replies
4
Views
566
Solve for ##u## and ##v## in the given equations
Replies
2
Views
430
Solve the given simultaneous equations in x^2, x and y
Replies
1
Views
505
Solve the simultaneous equations involving x, y, and their squares
Replies
2
Views
517
Simplifying (b-a)/(a-b): A Scientific Approach
Replies
10
Views
704
Question about this technique for solving simultaneous equations
Replies
4
Views
614
Number of ways to partition n persons and probability to form n groups
Replies
10
Views
1K
Applications of algebraic expressions
Replies
6
Views
592
Probability using combinations or alternatives
Replies
12
Views
1K
How many positive integers x satisfy this logarithmic inequality?
Replies
2
Views
574
Basic probability question (1 boy + 2 girls of a group of 7)
Replies
6
Views
777
Find the total number of ways of coloring the eight regions
Replies
7
Views
906
Question about permutation formula -- How to use the formula when r = 0 ?
Replies
6
Views
706
Discover Circle Theorem Help for Triangle PST: PSR Angle = 77 Degrees
Replies
1
Views
506
Find the area of the quadrilateral OCBAO
Replies
8
Views
574
Calculating Cable Turns for a Job
Replies
5
Views
1K
Solve the problem that involves iteration
Replies
21
Views
1K
Solve the given problem involving functions: f(x)=|ax-b| and y=f(x)+c
Replies
19
Views
890
Solve the given problem involving logarithms
Replies
18
Views
1K
Prove this variation: If a+b ∝ a-b, prove that a^2+b^2 ∝ ab
Replies
11
Views
915
Proving trig identities -- Is the method related to the unit circle?
2
Replies
54
Views
2K
Derivative of a piecewise function
Replies
6
Views
537
Solving for a, b, and c in this equation for $ revenue for a circus
Replies
4
Views
585
Solve the given problem that involves binomial theorem
Replies
2
Views
570
Ideal Straight Line Fit for a Temperature Sensor Output
Replies
2
Views
503
Baffled by old school exam
Replies
34
Views
2K
Finding compound interest formula
Replies
2
Views
636
Solve the given problem that involves Trigonometry
Replies
7
Views
609
Find the possible values of angle ##∠ADB##
Replies
2
Views
536
Determine the position vector of ##C##
Replies
1
Views
501
Prove that these three ratios are equivalent
Replies
11
Views
855
Adding square roots of ##i## leading to different answers!
Replies
21
Views
770
How Did the Author Derive the Perfect Square from the Algebraic Equation?
Replies
5
Views
730
Vector addition and subtraction
Replies
13
Views
896
Calculating Radius & Water Depth of a Spherical Bowl
Replies
7
Views
2K
Evaluating the angle theta using inverse sin
Replies
4
Views
715
Finding the solution to system of 3 equations with 3 unknowns
Replies
2
Views
540
Complex numbers confusion (how they got this expression in orange to become -1)
Replies
25
Views
1K
Conceptual question on equations of the form ##x=ay^2+by+c##
Replies
5
Views
684
Form a Linear Equation for the Value of this equipment during the 10 years it will be in use
Replies
3
Views
2K
Is it possible to find a number x such that 5 < x < 1?
Replies
26
Views
1K
If 1=5, 2=25, 3=125,4=1880, 5=?
Replies
8
Views
2K
Number of lines equidistant from four points on a plane
Replies
2
Views
880
Chance of Selecting Twins from Group of 30 [Solved!]
Replies
24
Views
1K
Plotting points in three-dimensional space
Replies
8
Views
887
Trying to understand the property of absolute value inequality
2
Replies
38
Views
2K
Using inverses to solve systems of equations
Replies
4
Views
553
"Calculating Korifice Value in Cranes TP 410M, Problem 7-12
Replies
6
Views
1K
Solve 2 Triangle Problem: Calculate Exact Value of x
Replies
7
Views
1K
Is it ok to assume matrices A and B as identity matrix?
Replies
25
Views
902
Find the GCD of the given complex numbers (Gaussian Integers)
Replies
4
Views
1K
Solving Equations: Does Squaring Make False True?
Replies
20
Views
754
Proving inverse of a 2 x 2 matrix is really an inverse
Replies
3
Views
705
What Does Commutation Mean for Matrices A and B?
Replies
3
Views
795

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.

By offering explanations, guidance on problem-solving techniques, and additional practice, precalculus homework help contributes to students' success in mastering the fundamental mathematical skills required for higher-level coursework in mathematics and related fields.

Hot Threads

Recent Insights

Back
Top