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.
Prove that ## 7, 11 ##, and ## 13 ## all divide ## N ##
Replies
6
Views
1K
Verify that ## N-M ## is divisible by ## 9 ##
Replies
7
Views
2K
Determine whether the integer ## 1010908899 ## is divisible by....
Replies
6
Views
1K
Proof That 6 Divides Any Integer N
Replies
3
Views
2K
Solve the given simultaneous equation
Replies
32
Views
2K
Minimum Length of Cuts for Unfolding Box Into Flat Sheet?
Replies
10
Views
2K
If ##x> 1## and ##x^2 <2##, prove ##x < y##, ##y^2<2##
Replies
10
Views
1K
Linearity and non-linearity in addition and multiplication
Replies
15
Views
2K
Supply Equation: Y=mx+c or S=d*Qty+c, Why P Instead of Qty?
Replies
7
Views
1K
Can this be solved without trial and error?
Replies
6
Views
1K
Huge Multi Part Prob + Stats question from past paper
Replies
1
Views
2K
Show that ## 2^{n} ## divides an integer ## N ##.
Replies
6
Views
2K
Which formula do I use? (Megastats Excel Statistics homework problem)
Replies
8
Views
9K
Find the values of ## n\geq 1 ## for which ## 1+2+3+\dotsb +n ##.
Replies
4
Views
1K
Solving for ##x## for a given inequality
Replies
3
Views
1K
Prove that there exists a prime with at least ## n ## of its digits.
Replies
2
Views
1K
Show that ## t_{n+2k}\equiv t_{n}\pmod {k} ##.
Replies
7
Views
1K
Determine the last three digits of the number ## 7^{999} ##
Replies
3
Views
2K
No integer whose digits add up to ## 15 ## can be a square or a cube
Replies
4
Views
3K
Obtain the digits ## x ## and ## y ##
Replies
3
Views
1K
Solve for ##x## involving modulus
Replies
10
Views
1K
Triangle Math Help: Calculate Angles & Lengths with 46 & 35 Measurements
Replies
11
Views
1K
Find the remainder when ## 4444^{4444} ## is divided by ## 9 ##.
Replies
3
Views
1K
Show that ## a^{2}-a+7 ## ends in one of the digits ## 3, 7 ,9##
Replies
6
Views
2K
Divisibility of Integers ## 176521221 ## & ## 149235678 ## by 9 & 11
Replies
9
Views
2K
Proof: Divisibility of Integers by 4
Replies
5
Views
1K
Proof: Integer Divisibility by 3 via Polynomials
Replies
2
Views
1K
Proof That an Integer is Divisible by 2
Replies
3
Views
2K
Finding constant related to random variable
Replies
8
Views
942
Sailing along multiple Bearings Problem
Replies
9
Views
6K
If f(x)=(e^x+e^-x)/2, what is the inverse function?
Replies
16
Views
2K
Clarification on Proof by Contradiction
Replies
32
Views
2K
Probability of getting the smallest value of cards
Replies
9
Views
1K
Solve the problem that involves a sector of a circle
Replies
14
Views
1K
Find the translation and stretch from ##y=2^x## to ##y=2^{x+4}##
Replies
4
Views
1K
Possible values an expression can take : ##\dfrac{x^2-x-6}{x-3}##
Replies
7
Views
1K
Show the proof involving multiples of numbers
Replies
19
Views
2K
Find the missing digits in the calculation below
Replies
13
Views
1K
Application of N choose K, unsure of what is happening
Replies
6
Views
1K
Find the missing digits in the calculations below
Replies
2
Views
1K
Is the integer ## (447836)_{9} ## divisible by ## 3 ## and ## 8 ##?
Replies
12
Views
1K
Expected value of median of rolling three fair dice
Replies
9
Views
3K
Find the last two digits of the number ## 9^{9^{9}} ##.
Replies
9
Views
2K
The units digit of a triangular number iw ## 0, 1, 3, 5, 6 ##?
Replies
1
Views
1K
Any one of the integers ## 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ## can occur?
Replies
3
Views
1K
For any integer ## a ##, the units digit of ## a^{2} ## is?
Replies
7
Views
2K
Simplifying the Argument of a Complex Number
Replies
19
Views
1K
Use the binary exponentiation algorithm to compute....
Replies
1
Views
1K
All the possible posts in PF, all the possible human thoughts
Replies
23
Views
1K
Proving that an Integer lies between x and y using Set Theory
Replies
15
Views
1K
Prove that ## b\equiv c\pmod {n} ##, where the integer is....
Replies
1
Views
948
Prove that whenever ## ab\equiv cd\pmod {n} ## and....
Replies
3
Views
1K
Prove that ## 89\mid (2^{44}-1) ## and ## 97\mid (2^{48}-1) ##
Replies
5
Views
3K
Prove that ## a^{({2}^{n})}\equiv 1\pmod {2^{n+2}} ## for any ##n##?
Replies
6
Views
2K
Give an example to show that ## a^{k}\equiv b^{k}\pmod {n} ## ....
Replies
3
Views
1K
Prove that the integers ## c, c+a, c+2a, c+3a, ...., c+(n-1)a ## ....
Replies
6
Views
1K
Why is b^2 = 4 for this ellipse?
Replies
6
Views
1K
How many cards can be taken at most while satisfying a certain rule?
Replies
4
Views
1K
Prove that ## aa_{1}, aa_{2}, ...., aa_{n} ## is also a complete set?
Replies
14
Views
1K
Show that ## {2n \choose n}\equiv 0\pmod {p} ##?
Replies
5
Views
2K
Prove: If the integer ## a ## is not divisible by ## 2 ## or ## 3 ##....
Replies
9
Views
2K
Finding area of a non right angled triangle
Replies
9
Views
3K
Surface area of a sphere ##= \pi * (a^2+b^2+c^2+d^2)##
Replies
18
Views
1K
Prove that ## a^{4}\equiv 0 ## or ## 1\pmod {5} ##?
Replies
2
Views
1K
Prove that ## a^{3}\equiv 0, 1 ##, or ## 6\pmod {7} ##?
Replies
1
Views
1K
Given an integer, find the probability its cube ends in 111
Replies
19
Views
2K
How do you know how many solutions there are for z?
Replies
2
Views
969
If ## a ## is an odd integer, then ## a^{2}\equiv 1\pmod {8} ##?
Replies
2
Views
1K
Show that ## (-13)^{n+1}\equiv (-13)^{n}+(-13)^{n-1}\pmod {181} ##?
Replies
1
Views
2K
For ## n\geq 1 ##, use congruence theory to establish....
Replies
3
Views
998
Question about limits involving 1/x
Replies
10
Views
1K
For ## n\geq 1 ##, use congruence theory to establish....
Replies
1
Views
878
For ## n\geq 1 ##, use congruence theory to establish....
Replies
2
Views
1K
For ## n\geq 1 ##, use congruence theory to establish?
Replies
2
Views
871
Prove that the integer ## 53^{103}+103^{53} ## is divisible by....
Replies
1
Views
2K
What is the remainder when the following sum is divided by 4?
Replies
7
Views
1K
Solve the quadratic equation that involves sum and product
Replies
1
Views
1K
Find the two values of the common ratio- Geometric sequence
Replies
6
Views
1K
How to find the remainders when ## 2^{50} ## and ## 41^{65} ## are?
Replies
1
Views
708
Can a polynomial have an irrational coefficient?
2
Replies
36
Views
6K
How many positive integer solutions satisfy this equation?
2
Replies
43
Views
3K
Amount of money a player to receive
Replies
8
Views
947
Prove Homothetic Triangles Concurrent: Ceva's Theorem
Replies
1
Views
2K
Show that ## a^2\equiv b^2 \mod n ## need not imply that ## a\equiv b \mod n ##
Replies
10
Views
3K
Volume of pyramid formed by center of 5 spheres inside a hemisphere
Replies
17
Views
2K
Why have these endpoints been excluded?
Replies
2
Views
776
Solve this problem that involves combinations
Replies
1
Views
872
How Do You Calculate Permutations for Complex Problems?
Replies
1
Views
969
How many quadrilaterals formed from n-gon no adjacent sides
Replies
22
Views
1K
Number of positive integer solutions for given equation
Replies
5
Views
2K
What is the relationship between random walks and destinations?
Replies
29
Views
2K
Solve this problem that involves the factor theorem
Replies
10
Views
1K
Evaluate ##\dfrac {x^\frac{3}{2}+xy}{xy-y^3}-\dfrac {\sqrt x}{\sqrt x -y}##
Replies
13
Views
1K
Prove the given equation that involves indices
Replies
14
Views
1K
Alternative Methods to Find Arithmetic Sequence's Common Ratio
Replies
13
Views
1K
Prove that ## gcd(a, n)=gcd(b, n) ##.
Replies
2
Views
1K
Solving this problem that involves the area of triangle
2
Replies
40
Views
3K
Show that 13 is the largest prime that can divide....
Replies
7
Views
1K
Prove that ## p_{n+3}^{2}<p_{n} p_{n+1} p_{n+2} ##
Replies
10
Views
1K
If ## p ## and ## p^{2}+8 ## are both prime numbers, prove that....
Replies
16
Views
2K

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