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Pre-Algebra and Algebra

Factorization, Properties of operations, Evaluating expressions, Variable manipulations, Equations
MarkFL
  • Sticky
Two methods for deriving the quadratic formula that I was not taught in school
Replies
1
Views
9K
MarkFL
MarkFL
Ackbach
  • Sticky
Algebra Do's and Don't's
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0
Views
9K
Ackbach
Ackbach
K
Algebra word problem solve for x
Replies
4
Views
338
HallsofIvy
H
D
Parentheses and brackets: Evaluate 2³[1/4+4(36÷12)]
Replies
6
Views
70
Dnichol016
D
karush
You tube puzzle
Replies
4
Views
116
karush
karush
G
Critical points and Roots?
Replies
2
Views
63
skeeter
skeeter
test
[SOLVED] Testing around
Replies
4
Views
94
MarkFL
MarkFL
T
Function's Fun f(x^2−2016x)=f(x)⋅x+2016
Replies
3
Views
408
HallsofIvy
H
S
Interest Question
Replies
1
Views
127
skeeter
skeeter
P
2 variables equation
Replies
3
Views
285
skeeter
skeeter
D
[SOLVED] Transportation calculus
Replies
10
Views
689
ducduy
D
T
Integer Question
Replies
1
Views
255
HallsofIvy
H
F
Solve 1-(x-3)/3⩽1/2
Replies
6
Views
802
skeeter
skeeter
M
Partial fractions (5x^2+1)/[(3x+2)(x^2+3)]
Replies
3
Views
1K
HallsofIvy
H
F
Solve for F: C=9(F-32)/5
Replies
5
Views
668
skeeter
skeeter
J
Number patterns and sequences - Tn Term
Replies
1
Views
435
HallsofIvy
H
L
Word Problem
Replies
2
Views
510
HallsofIvy
H
S
how would the year 2011 appear in standard form
Replies
1
Views
457
HallsofIvy
H
Y
Proof with Induction 3/2-5/6+7/12-9/20+11/30-...
Replies
5
Views
573
skeeter
skeeter
F
[SOLVED] Matrix equation
Replies
1
Views
377
skeeter
skeeter
Monoxdifly
[ASK] Make x and y the Subjects: x^3-3xy^2=a, 3x^2y-y^3=b
Replies
6
Views
454
Monoxdifly
Monoxdifly
Monoxdifly
[ASK]Show that the sum of the fifth powers of these numbers is divisible by 5
Replies
4
Views
360
Monoxdifly
Monoxdifly
S
Finding lines through given point perpendicular and parallel to given line
Replies
1
Views
162
skeeter
skeeter
S
Computation based on linear growth
Replies
1
Views
182
skeeter
skeeter
S
Possible mistake in question? (system of linear inequalities)
Replies
1
Views
170
Opalg
Opalg
Monoxdifly
[ASK] 8^x+8^(-x)
Replies
4
Views
382
Monoxdifly
Monoxdifly
D
Exponents for Business
Replies
5
Views
420
Klaas van Aarsen
Klaas van Aarsen
B
Solve for n in 11/6=n+7/9
Replies
1
Views
359
mathmari
mathmari
B
Evaluate 3/7 r + 5/8 s when r = 14 and s = 8
Replies
3
Views
492
bobisaka
B
K
Solved for Prime using Grade 4 Math Prove me wrong
Replies
1
Views
367
HallsofIvy
H
mathmaniac
Solve x^3-7x^2+14x-8=0
Replies
22
Views
3K
Greg
Greg
L
Introductory Algebra Percentage Word Problem
Replies
2
Views
451
HallsofIvy
H
D
Hexidecimal conversion help
Replies
1
Views
263
HallsofIvy
H
G
Solution
Replies
1
Views
289
HallsofIvy
H
Monoxdifly
[ASK] Mathematical Induction: Prove 7^n-2^n is divisible by 5.
Replies
5
Views
750
Prove It
P
B
Help with factoring trinomials
Replies
15
Views
3K
BestMethod
B
M
Partial fraction problem (x^2)/[(x-2)(x+3)(x-1)]
Replies
4
Views
1K
BestMethod
B
W
How do i factorize x^3 -5x^2+8x-4?
Replies
12
Views
4K
Prove It
P
Y
Division without Reminder
Replies
2
Views
308
Prove It
P
G
Arithmetic string equal to the geometric string, count x
Replies
0
Views
262
ghostfirefox
G
G
Function,angle, tangent
Replies
0
Views
170
ghostfirefox
G
Monoxdifly
[ASK] Addition of Fractions: 1/3+1/6+1/10+1/15+1/21+...+1/231
Replies
3
Views
714
Monoxdifly
Monoxdifly
Monoxdifly
[ASK] Minimum Dimension of a Map
Replies
2
Views
321
Monoxdifly
Monoxdifly
Monoxdifly
[ASK] Determinant of a Matrix with Polynomial Elements
Replies
2
Views
331
Monoxdifly
Monoxdifly
F
Need help with formula to value used cars. Please!
Replies
0
Views
245
foz84
F
S
DPS Calculator for Video Game
Replies
0
Views
472
Snoopy1205
S
S
Discounted price related math problem
Replies
4
Views
954
Sirkal
S
A
How to solve this equation (a+b)^{a+b}=a^a+y
Replies
1
Views
511
Ackbach
Ackbach
C
Percentage & Sales Story Problem
Replies
1
Views
457
HallsofIvy
H
Monoxdifly
[ASK]Quadratic Inequation (log_2x)^2+4>5log_7x+log_3x^2
Replies
2
Views
506
Monoxdifly
Monoxdifly
S
Multiple
Replies
6
Views
1K
sabsac
S
B
Please help for binomial expansion (2x-1/(2x^2))^9
Replies
1
Views
300
skeeter
skeeter
A
[SOLVED] f(x)=ab^{x} where b must be a positive real number
Replies
5
Views
769
Avalance789
A
G
Value of b, y-intercept of Quadratic graph
Replies
3
Views
663
gazparkin
G
D
Simplify a+b+c+d+2(ab+ac+ad+bc+bd+cd)+4(abc+abd+acd+bcd)+8(abcd)
Replies
3
Views
613
Opalg
Opalg
H
high school simple algebra word problem
Replies
2
Views
549
Opalg
Opalg
G
Rearranging formula 3y + x = -1
Replies
1
Views
302
skeeter
skeeter
karush
[SOLVED] inequality solve (x+1)/6<x-(3x-2)/4
Replies
2
Views
511
karush
karush
V
Solving Algebra equation 3x=15
Replies
4
Views
2K
HallsofIvy
H
M
Given f(xy) = f(x)/y and f(500) = 3, find f(600)
Replies
2
Views
983
HallsofIvy
H
G
Solving Inequality 4x-12≤6x+20
Replies
1
Views
475
Olinguito
Olinguito
P
Find the cubic equation that has -1 and 2i as roots
Replies
3
Views
859
HallsofIvy
H
P
If f(x) and g(x) are inverse functions, in which line will g(x) be a reflection of f(x) ?
Replies
1
Views
519
MarkFL
MarkFL
P
Simplify (√3 + 2√5)²
Replies
1
Views
510
topsquark
topsquark
M
Simplify Surds 10/√5 + √20
Replies
1
Views
742
Greg
Greg
G
solve linear algebra equation 2x – 1 = 9 – 3x
Replies
4
Views
417
topsquark
topsquark
M
manipulating quadratic and exponential expressions
Replies
1
Views
588
skeeter
skeeter
B
profit margin
Replies
3
Views
829
HallsofIvy
H
A
Ratio of a/b when lna/lnb=x
Replies
6
Views
1K
topsquark
topsquark
H
Advanced Mathematics Assignment
Replies
1
Views
704
Greg
Greg
Z
Calculating amount left at the end of a repetetive cutting down cycle.
Replies
1
Views
502
Wilmer
W
D
Simplify expression with laws of indices
Replies
3
Views
626
dmarley
D
T
compare trips based upon price
Replies
0
Views
606
tylerdurdan
T
M
Algebra Word Problem
Replies
2
Views
426
moore
M
B
Rate Problem: How many minutes does it take 14 people to paint 14 walls?
Replies
2
Views
664
Olinguito
Olinguito
S
Cubic root algebra
Replies
2
Views
666
Olinguito
Olinguito
Monoxdifly
[ASK] Proof of Some Quadratic Functions
Replies
6
Views
601
Monoxdifly
Monoxdifly
X
Seeking a specific formula to allow for materials shrinkage
Replies
4
Views
995
XNotLost
X
S
Use Variables to Create Function
Replies
6
Views
1K
Silva
S
A
Transfer matrix
Replies
0
Views
374
akimbo
A
T
Find all the integer values of k for x^3 - kx + (k + 11) = 0 has at least one positive integer solution
Replies
3
Views
550
Taran
T
J
Ratio word problem: What fraction of the original counters remain in the bag
Replies
3
Views
394
skeeter
skeeter
Monoxdifly
[ASK] Exponents and Roots Simplification problem
Replies
12
Views
1K
Wilmer
W
D
Find equation of a quadratic with line of symmetry
Replies
2
Views
466
Country Boy
C
R
Solve sqrt (x+ a) = x −7 when a=-1
Replies
4
Views
649
Country Boy
C
S
Pemdas
Replies
1
Views
441
Klaas van Aarsen
Klaas van Aarsen
D
average distance
Replies
1
Views
466
Wilmer
W
S
solve √(x^2+3x+7)-√(x^2-3x+9)+2=0
Replies
5
Views
607
Wilmer
W
M
quadratic equations ( solving for zeros/roots) trickey
Replies
1
Views
414
joypav
J
U
Frequency and Angular Speed
Replies
1
Views
406
Olinguito
Olinguito
P
(0,a) , (b,0) , (2,d) and (e,7) lie on y=2x+1, find a, b, d and e
Replies
2
Views
525
Country Boy
C
C
Wacky explanation in a student solutions manual for manipulating an equation
Replies
3
Views
441
chr1s
C
M
the shifting of h in vertex form
Replies
1
Views
518
topsquark
topsquark
V
solutions of an inequality (1-√(1-4x^2)/x < 3
Replies
4
Views
701
Wilmer
W
V
image of a function
Replies
2
Views
454
Vali
V
Y
Quadratic functions: Which of these quadratic functions has exactly one x -intercept
Replies
3
Views
584
Country Boy
C
H
volume and capacity
Replies
2
Views
520
Country Boy
C
V
inequation with just 3 solutions
Replies
4
Views
826
Vali
V
V
indications equation a^x=x+2
Replies
4
Views
715
Country Boy
C
V
equation a^x=x
Replies
4
Views
643
Vali
V
A
find the roots of f(x)+g(x)+h(x) = 0.
Replies
2
Views
741
Greg
Greg
Y
Mathematical Induction 4+11+14+21+...+(5n+(-1)^n
Replies
1
Views
585
MarkFL
MarkFL
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