Number of results: 171
for Emily math
(x+6)(x-2) = x*x -2*x + 6*x + 6*(-2) = x^2 - 2x + 6x - 12 = x^2 + 4x - 12 look at this page http://www.the-mathroom.ca/freebs/alg2/alg2.htm
Monday, May 25, 2009 at 12:19am by Reiny
Pre-Calculus
I assumed you knew the formulas, since you have know them to do these kind of problems look under "other identities" http://library.thinkquest.org/20991/alg2/trigi.html
Sunday, November 14, 2010 at 10:00pm by Reiny
math - 1 paragraph
Since you are the one who took it first and presumably know how to do it, it would be best explained in your own words. If you need to review the subject, try http://library.thinkquest.org/20991/alg2/polyf.html
Monday, February 23, 2009 at 6:07pm by drwls
8th grade
This site explains it. http://library.thinkquest.org/20991/alg2/systems.html
Saturday, February 6, 2010 at 6:32pm by Ms. Sue
ALG2
Thank you!
Friday, December 28, 2012 at 8:20pm by Yvette B.
Alg2
yes
Monday, May 7, 2012 at 3:26am by Reiny
Alg2
You're welcome!
Sunday, December 4, 2011 at 7:20pm by MathMate
Alg2
Thanks, I did!
Sunday, December 4, 2011 at 2:24pm by Rock
Alg2
An =(n+1)/3n ? A(n+1) = An + 2/3 or An = 1/3 +(2/3)(n-1)
Thursday, March 15, 2012 at 3:08am by Damon
Alg2
Tysm :D
Thursday, February 2, 2012 at 1:53am by Yolie
Alg2
Perfect!
Sunday, December 4, 2011 at 2:24pm by MathMate
Alg2
240
Sunday, December 4, 2011 at 2:24pm by Rock
Alg2
YaY!!!!!
Sunday, December 4, 2011 at 2:23pm by Rock
Alg2
Correct!
Sunday, December 4, 2011 at 2:23pm by MathMate
Alg2
20
Sunday, December 4, 2011 at 2:23pm by Rock
Alg2/Trig
Okay thanks for your help!
Thursday, June 4, 2009 at 11:23pm by Vincent
Alg2
Ty Damon ^^
Thursday, March 15, 2012 at 3:08am by Lihn
Alg2
387.187
Tuesday, December 13, 2011 at 8:17pm by Rock
Alg2
You have to ask a question.
Sunday, December 4, 2011 at 12:05pm by bobpursley
Alg2
I need more help
Sunday, December 4, 2011 at 12:05pm by Rock
Alg2
intercept has 9 letters 2 t's 2 e's so, 9!/2!2!
Saturday, December 3, 2011 at 12:22pm by Steve
Alg2
10*9/2 = 45
Thursday, December 1, 2011 at 10:51pm by Steve
Alg2
typo, variables don't match
Monday, March 12, 2012 at 1:34am by Reiny
Alg2
what is 25(1.0325)^15 ?
Tuesday, December 13, 2011 at 8:17pm by Reiny
Alg2
I need help with problem solving...
Sunday, December 4, 2011 at 2:20pm by Rock
alg2/trig
I bet you mean a/(a-b) + b/(b-a) a/(a-b) - b/(a-b) (a-b)/(a-b) 1
Thursday, October 13, 2011 at 8:36pm by Damon
alg2/trig
3 multiplies by 4 factorial.
Wednesday, April 1, 2009 at 7:58pm by Anonymous
alg2
but i dont understand how she got it
Monday, June 9, 2008 at 8:48pm by jerson
ALG2!
1.7 - 0.78>5 solve please
Thursday, October 4, 2012 at 8:24pm by tyneisha
Alg2
I can See It!!! I was multiplying 600 & 2 together... Thanks :)
Sunday, December 4, 2011 at 7:20pm by Rock
Alg2
# of possibilities of arrangements for the word intercept?
Saturday, December 3, 2011 at 12:22pm by Rock
alg2
Solve: 3x − 7 (sqrt x) + 2 = 0
Thursday, January 20, 2011 at 12:05am by katie
alg2
for the graph: y>x^2+9 what is the range?
Wednesday, January 19, 2011 at 11:39pm by exam tomorrow! help
Alg2
whoa wrong equation its (9y/x)^(1/4)
Monday, February 9, 2009 at 10:40pm by Chopsticks
ALG2! WORD PROBLEM!
0.5n > n - 6
Thursday, October 4, 2012 at 10:12pm by Ms. Sue
Alg2
my bad ^^; its not sentence, its sequence...
Thursday, March 15, 2012 at 3:08am by Please check my answer (:
Alg2
what are the # of possibilities of buying 2 CD's from 10 that are on sale?
Thursday, December 1, 2011 at 10:51pm by Rock
Alg2
what is the # of possibilities of buying 2 CD's from 10 that are on sale?
Wednesday, November 30, 2011 at 11:22pm by Rock
alg2/trig
The expression a/a-b + b/b-a is equivalent to a) 1 b)-1 c) ab/a-b d)a+b/a^2-b^2 please help!
Thursday, October 13, 2011 at 8:36pm by jess
Alg2
take the square root of each side. x=+- 10
Monday, February 2, 2009 at 8:13pm by bobpursley
Math alg2!
30 5+2X=65 CALCULATE TI
Thursday, December 13, 2012 at 8:14pm by khan
ALG2! WORD PROBLEM! PLZ HELP!!
Amen, Reiny!
Wednesday, November 28, 2012 at 8:44pm by Ms. Sue
ALG2! WORD PROBLEM!
19 + n < 42
Thursday, October 4, 2012 at 8:48pm by Ms. Sue
ALG2!
-3K - 8 is less than or equal to 5k .....solve please
Thursday, October 4, 2012 at 8:23pm by tyneisha
alg2
how do i solve for: 2^(x+1) =9 3e^(x-8) +5=14 log2x=4 and ln(2x-5)=4? thanks!
Saturday, May 19, 2012 at 2:05pm by bkue
Math(alg2)
solve the exponential equation 5(2)^2x - 4 = 13 thanks
Tuesday, March 13, 2012 at 1:40am by Sammy
Alg2
what is the number of possibilities of arrangements of the letters in the word intercept?
Wednesday, November 30, 2011 at 11:23pm by Rock
Alg2
Rationalize the demoninator of each expression. (9y/x)^4 i have no idea how to do that
Monday, February 9, 2009 at 10:40pm by Chopsticks
Alg2
Find a quadratic equation with integral coefficients having roots 1/2 and -5/2.
Wednesday, May 9, 2012 at 1:20am by Sira
alg2/trig
how would you express cos(75 as a single fraction?
Thursday, April 26, 2012 at 11:11pm by lisa
alg2/trig
Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3
Sunday, October 2, 2011 at 3:12pm by jaz
alg2
Describe the end behavior for the graph of y= 12x^6 + 4x^4 - x^3 + 6x +1
Sunday, January 9, 2011 at 10:48pm by morgen
Alg2/Trig
yes, that is also what I got (and I checked it by finding the actual angles)
Thursday, June 4, 2009 at 11:23pm by Reiny
Alg2/Trig
I plugged that into my graphing calculator and that isn't right. Could someone help?
Thursday, March 5, 2009 at 8:09pm by Chris
alg2
function of x equals x minus the absolute value of x, where x is greater than zero.
Thursday, September 11, 2008 at 11:44pm by Fredr
Alg2
if the roots are 1/2 and -5/2, then the quadratic would have factored to (2x-1)(5x+2) = 0 expand and you are done
Wednesday, May 9, 2012 at 1:20am by Reiny
Alg2
Solve the system for z. 2x - y + 2z = 11 x - 2y - 3z = -5 -3x + z = -3
Tuesday, May 8, 2012 at 1:27am by Sira
Alg2/Trig
Write the log as a single function: logx + 2logy - logz
Thursday, April 19, 2012 at 6:20pm by Alayna
Alg2
How how I write the first six terms of this sequence? Please be detailed and thanks in advance :) f(n)= 3/-m
Monday, March 12, 2012 at 1:34am by Lily
Algebra II
Why not see if there is a help video for this assignment. I know there is in the FLVS Alg2 course. Check it out!
Tuesday, June 22, 2010 at 9:40pm by Mr. W
alg2/trig
Use the cosine law. 4^2 = 5^2 + 8^2 - 2(5)(8)cos ß where ß is the angle opposite the side of 4
Thursday, January 28, 2010 at 11:35pm by Reiny
alg2/trig
Wait... so it's 3 multiplied by 4? Sorry, I'm not used to reading when it's typed out.
Wednesday, April 1, 2009 at 7:58pm by Chris
Alg2/Trig
Sketch a graph. see that vertex is at (3.-1) so form is (y+1) = k(x-3)^2 substitute in (2,0) to find k 1 = k (-1)^2 k = 1 so y = (x-3)^2 or y = x^2 - 6 x + 9
Thursday, March 5, 2009 at 8:09pm by Damon
ALG2
no. y=k/x^2 then consider the point 1,8 8=k/1^2 k=8 y=8/x^2 if x is 2, then y=2 another way to think this out: y is 8 when x is one, so if you double x, then y must be changed by 1/4, or y=2
Friday, December 28, 2012 at 8:20pm by bobpursley
Alg2
how many ways can 5 members of the 100 member US senate be chosen to be put on a committe?
Wednesday, November 30, 2011 at 11:20pm by Rock
Alg2
Find the value of c that will make the expression x^2-15x+c a perfect square. would c = 56.25 ?
Monday, May 7, 2012 at 3:26am by Cyn
ALG2
take a look in your book or online for a proof of the quadratic formula. Its derivation shows how to factor these.
Wednesday, February 29, 2012 at 9:50am by Steve
Alg2
Find all the arrangements for 5 books, and multiply by two, i.e. putting the dictionary at either end.
Sunday, December 4, 2011 at 2:24pm by MathMate
alg2/trig
Quadratic equation has two real equals roots, if Discrininant Ä = 0 Ä = greek letter Delta
Thursday, April 5, 2012 at 10:07pm by Bosnian
alg2/trig
what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.
Monday, January 23, 2012 at 9:29pm by lisa
alg2/trig
If 4x^2+9=kx, what value of k will produce equal roots? the answer is 12 but i dont understand how you get it, please help!
Thursday, April 5, 2012 at 10:07pm by lisa
ALG2
If Y varies inversely as X^2, determine what Y would be if X = 2 and another point on the equation is (1,8). The answer I got was y=1/2^2=1/4 I'm not sure I worked this out correctly, is this correct?
Friday, December 28, 2012 at 8:20pm by Yvette B.
alg2/trig
any time there is a fraction, the function is undefined when the denominator is zero. None of the choices is defined for all real numbers.
Sunday, October 2, 2011 at 3:12pm by Steve
Alg2
i am realy lost as to how to do this alg 2 problem: find the two real-number solutions of each equation: x^2=100 Can you please explain how to do it? Thanks!:)
Monday, February 2, 2009 at 8:13pm by amaya
alg2
run this program given in the lesson to find factors of a) 105, b) 197, and c) 7128 Describe in words the function of f(x) =x - [x]. x>0
Thursday, September 11, 2008 at 11:44pm by jerson
alg2/trig
The salary for any given year n is salary = 30000 + 5000n
Wednesday, February 1, 2012 at 9:05pm by Reiny
Alg2
no,,,, 25(1.0325)^15 = 25(1.61566.. =40.39
Tuesday, December 13, 2011 at 8:17pm by Reiny
ALG2
x2 + bx + c and ax2 + bx + c could you factor this and explain it.
Wednesday, February 29, 2012 at 9:50am by KAYG
alg2
solve for 10/x^2-2x + 4/x = 5/x-2 3x/x+1 + 6/2x = 7/x 8(x-1)/x^2-4 = 4/x-2 check for any extraneous solutions! thanks!
Saturday, May 19, 2012 at 8:27pm by skye
Alg2
2500 * 0.8 = 2000 2000 * 0.8 = 1600
Tuesday, December 6, 2011 at 9:48pm by Ms. Sue
alg2/trig
Permutations: 5! Permutations with beginning consonants: 3*4!
Wednesday, April 1, 2009 at 7:58pm by bobpursley
Math Alg2
From you data, it is unclear how the money relates to the sales. Have you omitted some data?
Thursday, April 12, 2012 at 11:17am by PsyDAG
Alg2
Solve the equation -5e^-x + 9 = 6 I subtracted 9 to both sides and got: -5e^-x= -3 < this is where I'm stuck at.
Thursday, February 2, 2012 at 1:53am by Yolie
alg2\trig
amount = 300(2)^n , where n is the number of days. so on the nth day you would have 300(2)^n
Tuesday, January 31, 2012 at 8:09pm by Reiny
ALG2! WORD PROBLEM! PLZ HELP!!
missing information e.g. how many employees ? Did you see the solution I gave to your other problem?
Wednesday, November 28, 2012 at 8:49pm by Reiny
Alg2
How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?
Sunday, December 4, 2011 at 2:24pm by Rock
alg2/trig
how much money would you earn in the fifth year? would you just plug in 5 into n to get your answer?
Wednesday, February 1, 2012 at 9:05pm by jessica
alg2/trig
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8? How do I find the angle?
Thursday, January 28, 2010 at 11:35pm by Judy
ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve. Nineteen more than a number is less than 42.
Thursday, October 4, 2012 at 8:48pm by tyneisha
Alg2
If the sum of a geometric series is 781, the number of terms is 5, the common ratio is 5 and the last term is 625, what is the first term a1?
Sunday, January 15, 2012 at 7:19pm by Embraced
Alg2
Sorry Rock. Please make a new post. Tagging on an existing post will only slow down your response. Thanks.
Sunday, December 4, 2011 at 2:24pm by MathMate
Alg2
Zeus Industries bought a computer for $2500. It is expected to depreciate at a rate of 20% per year. What will the value of the computer be in 2 years?
Tuesday, December 6, 2011 at 9:48pm by Rock
Alg2/Trig
no, that is wishful thinking. csc(u-v) = 1/sin(u-v) so work out the sin(u-v) according to your formula, the take the reciprocal of your final fraction.
Thursday, June 4, 2009 at 11:23pm by Reiny
ALG2
why is (-125)^-2/3 1/25. why isn't it -1/25?
Wednesday, March 12, 2008 at 10:31am by Abby
Alg2
For the first essay, she has 5 choices. For the second, she cannot repeat the same topic, so she is left with 5-1=4 choices. By the multiplication principle, she has ? choices?
Sunday, December 4, 2011 at 2:23pm by MathMate
Alg2/Trig
How would I go about solving this equation algebraically? Find the equation of the parabola y=ax^2 + bx+c that passes through the given points. (2,0) (3,-1) (4,0) Thanks.
Thursday, March 5, 2009 at 8:09pm by Chris
Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
Thursday, December 8, 2011 at 7:37pm by Rock
Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
Tuesday, December 6, 2011 at 9:50pm by Rock
Alg2
plug in all your info into the formula ( you have extra information) S(n) = a(r^n -1)/(r-1) 781 = a(5^5 - 1)/(5-1) 781 = a(3124/4) 781 = 781a a = 1 check: t(5) = 1(5^4) = 625
Sunday, January 15, 2012 at 7:19pm by Reiny
Alg2
A geometric sequence has a common ratio of 4. If the fifth term in the sequence is 2256, what is the second term?
Wednesday, May 9, 2012 at 1:55am by Anon
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