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Pre-Algebra and Algebra

Factorization, Properties of operations, Evaluating expressions, Variable manipulations, Equations
M
  • Sticky
Two methods for deriving the quadratic formula that I was not taught in school
Replies
1
Views
9K
MarkFL
M
Ackbach
  • Sticky
Algebra Do's and Don't's
Replies
0
Views
9K
Ackbach
Ackbach
A
Rational Inequalities
Replies
4
Views
105
Country Boy
C
A
Determine profit function
Replies
1
Views
33
skeeter
skeeter
E
Please help me understanding this equation
Replies
1
Views
73
anemone
anemone
I
Direct solution for two unknowns in two equations
Replies
2
Views
88
IanfromBristol
I
A
Combinations / Sets of objects
Replies
1
Views
48
Monoxdifly
Monoxdifly
C
Stuck help find points
Replies
6
Views
178
Country Boy
C
L
Problem of the day
Replies
1
Views
158
Monoxdifly
Monoxdifly
S
Number theory
Replies
1
Views
97
Opalg
Opalg
C
Help with b,c,d
Replies
1
Views
89
skeeter
skeeter
L
Solve for x
Replies
3
Views
173
Country Boy
C
K
What does it equal?
Replies
2
Views
170
Country Boy
C
H
Double summation: inner index = function of outer index
Replies
2
Views
129
Country Boy
C
Monoxdifly
[ASK] Logarithmic Equation
Replies
4
Views
196
Monoxdifly
Monoxdifly
A
Can someone help me figure out what to mark off on this graph?
Replies
15
Views
238
Country Boy
C
karush
ratio to ratio club membership
Replies
2
Views
92
Country Boy
C
A
college algebra
Replies
2
Views
172
Country Boy
C
Monoxdifly
[ASK] c and q
Replies
6
Views
130
Monoxdifly
Monoxdifly
A
Area of rectangle
Replies
3
Views
156
kaliprasad
kaliprasad
anemone
How many envelopes did Elias have at first
Replies
1
Views
112
Country Boy
C
S
What amout of percentage should be added to the ratio?
Replies
1
Views
93
skeeter
skeeter
anemone
How many chocolates did Angeline give to Billie
Replies
3
Views
191
Country Boy
C
anemone
Passengers on the bus
Replies
5
Views
148
anemone
anemone
anemone
How many oranges were there in the morning?
Replies
8
Views
359
anemone
anemone
K
Algebra
Replies
2
Views
120
Country Boy
C
H
Is there a natural solution?
Replies
2
Views
142
Hatuk
H
K
Proving or disproving this matrix V is invertible.
Replies
0
Views
161
kaienfr
K
karush
GRE 009 absolute value domain
Replies
6
Views
278
karush
karush
M
How can you prove abc <= 1/8 knowing 1/a + 1/b + 1/c >= 6?
Replies
8
Views
248
moonoem
M
Y
Needed some help with this organizational problem
Replies
2
Views
156
MarkFL
M
M
equation with square root
Replies
5
Views
210
MarkFL
M
J
Equation of the form x+a=√(bx+c)
Replies
7
Views
187
anemone
anemone
caffeinemachine
A Functional Equation
Replies
3
Views
273
Opalg
Opalg
anemone
Find the amount of sand in each bag
Replies
1
Views
270
kaliprasad
kaliprasad
anemone
Find the total number of red and blue beads
Replies
5
Views
388
anemone
anemone
G
Critical points and Roots?
Replies
3
Views
293
Country Boy
C
K
Algebra word problem solve for x
Replies
4
Views
595
HallsofIvy
H
D
Parentheses and brackets: Evaluate 2³[1/4+4(36÷12)]
Replies
6
Views
208
Dnichol016
D
karush
You tube puzzle
Replies
4
Views
250
karush
karush
test
[SOLVED] Testing around
Replies
4
Views
314
MarkFL
M
T
Function's Fun f(x^2−2016x)=f(x)⋅x+2016
Replies
3
Views
597
HallsofIvy
H
S
Interest Question
Replies
1
Views
286
skeeter
skeeter
J
2 variables equation
Replies
3
Views
490
skeeter
skeeter
P
[SOLVED] Transportation calculus
Replies
10
Views
1K
Ph4cm
P
T
Integer Question
Replies
1
Views
382
HallsofIvy
H
F
Solve 1-(x-3)/3⩽1/2
Replies
6
Views
1K
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
813
skeeter
skeeter
J
Number patterns and sequences - Tn Term
Replies
1
Views
538
HallsofIvy
H
L
Word Problem
Replies
2
Views
648
HallsofIvy
H
S
how would the year 2011 appear in standard form
Replies
1
Views
567
HallsofIvy
H
Y
Proof with Induction 3/2-5/6+7/12-9/20+11/30-...
Replies
5
Views
702
skeeter
skeeter
F
[SOLVED] Matrix equation
Replies
1
Views
497
skeeter
skeeter
Monoxdifly
[ASK] Make x and y the Subjects: x^3-3xy^2=a, 3x^2y-y^3=b
Replies
6
Views
621
Monoxdifly
Monoxdifly
Monoxdifly
[ASK]Show that the sum of the fifth powers of these numbers is divisible by 5
Replies
4
Views
538
Monoxdifly
Monoxdifly
S
Finding lines through given point perpendicular and parallel to given line
Replies
1
Views
307
skeeter
skeeter
S
Computation based on linear growth
Replies
1
Views
318
skeeter
skeeter
S
Possible mistake in question? (system of linear inequalities)
Replies
1
Views
288
Opalg
Opalg
Monoxdifly
[ASK] 8^x+8^(-x)
Replies
4
Views
541
Monoxdifly
Monoxdifly
D
Exponents for Business
Replies
5
Views
564
Klaas van Aarsen
Klaas van Aarsen
B
Solve for n in 11/6=n+7/9
Replies
1
Views
502
mathmari
mathmari
B
Evaluate 3/7 r + 5/8 s when r = 14 and s = 8
Replies
3
Views
639
bobisaka
B
K
Solved for Prime using Grade 4 Math Prove me wrong
Replies
1
Views
488
HallsofIvy
H
mathmaniac
Solve x^3-7x^2+14x-8=0
Replies
22
Views
4K
Greg
Greg
L
Introductory Algebra Percentage Word Problem
Replies
2
Views
569
HallsofIvy
H
D
Hexidecimal conversion help
Replies
1
Views
357
HallsofIvy
H
G
Solution
Replies
1
Views
389
HallsofIvy
H
Monoxdifly
[ASK] Mathematical Induction: Prove 7^n-2^n is divisible by 5.
Replies
5
Views
914
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
449
Prove It
P
G
Arithmetic string equal to the geometric string, count x
Replies
0
Views
398
ghostfirefox
G
G
Function,angle, tangent
Replies
0
Views
273
ghostfirefox
G
Monoxdifly
[ASK] Addition of Fractions: 1/3+1/6+1/10+1/15+1/21+...+1/231
Replies
3
Views
864
Monoxdifly
Monoxdifly
Monoxdifly
[ASK] Minimum Dimension of a Map
Replies
2
Views
445
Monoxdifly
Monoxdifly
Monoxdifly
[ASK] Determinant of a Matrix with Polynomial Elements
Replies
2
Views
463
Monoxdifly
Monoxdifly
F
Need help with formula to value used cars. Please!
Replies
0
Views
347
foz84
F
S
DPS Calculator for Video Game
Replies
0
Views
587
Snoopy1205
S
S
Discounted price related math problem
Replies
4
Views
1K
Sirkal
S
A
How to solve this equation (a+b)^{a+b}=a^a+y
Replies
1
Views
609
Ackbach
Ackbach
C
Percentage & Sales Story Problem
Replies
1
Views
632
HallsofIvy
H
Monoxdifly
[ASK]Quadratic Inequation (log_2x)^2+4>5log_7x+log_3x^2
Replies
2
Views
642
Monoxdifly
Monoxdifly
S
Multiple
Replies
6
Views
1K
sabsac
S
B
Please help for binomial expansion (2x-1/(2x^2))^9
Replies
1
Views
394
skeeter
skeeter
A
[SOLVED] f(x)=ab^{x} where b must be a positive real number
Replies
5
Views
909
Avalance789
A
G
Value of b, y-intercept of Quadratic graph
Replies
3
Views
788
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
828
Opalg
Opalg
H
high school simple algebra word problem
Replies
2
Views
678
Opalg
Opalg
G
Rearranging formula 3y + x = -1
Replies
1
Views
414
skeeter
skeeter
karush
[SOLVED] inequality solve (x+1)/6<x-(3x-2)/4
Replies
2
Views
635
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
1K
HallsofIvy
H
G
Solving Inequality 4x-12≤6x+20
Replies
1
Views
602
Olinguito
Olinguito
P
Find the cubic equation that has -1 and 2i as roots
Replies
3
Views
982
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
620
MarkFL
M
P
Simplify (√3 + 2√5)²
Replies
1
Views
592
topsquark
topsquark
M
Simplify Surds 10/√5 + √20
Replies
1
Views
853
Greg
Greg
G
solve linear algebra equation 2x – 1 = 9 – 3x
Replies
4
Views
523
topsquark
topsquark
M
manipulating quadratic and exponential expressions
Replies
1
Views
891
skeeter
skeeter
B
profit margin
Replies
3
Views
980
HallsofIvy
H
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