April 20, 2014

Search: Algebra one, help+ check? :)

Number of results: 180,565

Algebra check
Determine whether f(x)=x^2 is one to one. When I substitute values in for x even when I use negative values x^2 will be positive so is it one to one?
Sunday, November 30, 2008 at 6:28pm by Shawn

Algebra check
I don't know what you mean by "one to one" for a function. It is true that for each x there is one y.
Sunday, November 30, 2008 at 7:59pm by drwls

Algebra-Please check
5 is correct for sqrt(2x + 15) = x Notice that parentheses are required to show an expression correctly. For the second one, would you like to double check: 7-x = 9, x=? or does 7 - 2 = 9?
Tuesday, October 12, 2010 at 11:12am by MathMate

Algebra check
Determine whether f(x)=x^2 is one to one. I have the answer as yes. Is this right
Sunday, November 30, 2008 at 7:59pm by Shawn

Algebra-One to one function
Could you please check my answers and help me with one of them? Find the inverse of the one to one function 1. f(x)-4x+7 -I got f^-1(x)=x-7/(-4) 2. f(x)= square root of x-8 -I got f^-1(x)=x^2-8 3. f(x)=4/(5x-1) This one I dont understand how to find the inverse of the one to ...
Thursday, September 13, 2007 at 10:33pm by Soly

Precalculus check answers help!
1), 3) check your algebra 4) I'm not sure where you went wrong on this one. However, sqrt(6)-sqrt(2)/4 is greater than 1 (2.0959 in fact) 2), 5) are correct
Wednesday, May 30, 2012 at 12:42am by Pendergast

Algebra check Damon
Not a function but is it one to one?
Sunday, November 30, 2008 at 7:59pm by Shawn

algebra -
#21 -can you help me solve this equation: 3x^2 (2x - 2) i keep getting: 6x ^2 -6 #22 can you check this one: (2x ^2) (6x^2) i got 12x #23 can you check this one: (4m^2 + m -2) + (-m^2 - 3m) i got: -4m ^2 + 4m-2 #25 can you check this one: (3x^2 -x -1) + (2x^2 + 2x -1) i got: -...
Monday, May 13, 2013 at 7:37pm by marko

8th Grade Algebra: HELP ME PLEASE!
I will do one of them, then you try the others. length = L width = b 160 = 2L + 2 b but L/4 = 2 b L = 8 b so use 8 b for L 160 = 2 (8 b) + 2 b 160 = 18 b b = 80/9 L = 8*80/9 = 640/9 check 160/9 + 1280/9 = 160, check 160/9 = 160/9 check
Wednesday, March 4, 2009 at 7:29pm by Damon

Hello, can someone help me solve and check the following 1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.
Friday, January 8, 2010 at 7:32pm by Tamir

Algebra one, help+ check? :)
Thank you!
Wednesday, January 12, 2011 at 6:09pm by Allyson

Algebra one, help+ check? :)
Wednesday, January 12, 2011 at 6:09pm by Anonymous

check it: 1.5/.5 - (.5)/1.5=4 3-1/3 does not equal 4 so, that is not the solution. recheck. Or better yet, graph it to check. I see two solutions, on at a=.18 about, and one about X.3. Graph x/(x-1) - (x-1)/x -4
Sunday, August 30, 2009 at 12:39pm by bobpursley

Algebra 2
thanks for the help earlier I got one more question X^4-13X^2+36 How do I factor this using algebra not just gussing and checking this times this and what number plus what number gives you these numbers how do i factor that wihtout playing one of those games were you like ...
Thursday, April 2, 2009 at 9:22pm by Algebra 2

Algebra-Bob Pursley orMathmate or Reiny or Dr. Bob, please check
Could one of you please check when you have time. Thank you
Tuesday, December 14, 2010 at 11:49am by Anna

Algebra one, help+ check? :)
address doesn't work for me
Wednesday, January 12, 2011 at 6:09pm by helper

a simple one ... = (x-6)(x+1) check by expanding it
Wednesday, April 11, 2012 at 9:26pm by Reiny

7x-1 = 2x+5 First get the unknowns on one side of the equation. 7x - 2x = 6 5x = 6 x = 1.2 You can check that by substituting. 7(1.2) - 1 = 2(1.2) + 5 8.4 - 1 = 2.4 + 5 7.4 = 7.4 Now -- please try a couple on your own. We'll be glad to check them for you.
Wednesday, August 27, 2008 at 6:10pm by Ms. Sue

Algebra check Damon
No it is not It sure looks obvious to me that was what Damon told you. To have a one-to-one, both the relation and its inverse must be functions. Yours is not
Sunday, November 30, 2008 at 7:59pm by Reiny

algebra 2
if one factors that, one gets t(3t+6-3-5)=t(3t-2)=19(57-2) check that.
Monday, September 20, 2010 at 9:52pm by bobpursley

Algebra(Check Please?)9nth Grade
-1 is the last one
Wednesday, September 7, 2011 at 3:23pm by Anonymous

pre algebra check
Cool!!! Wasn't sure on that one
Wednesday, May 30, 2012 at 2:52pm by amy

So when we check the problem, would this be acceptable? Does all of this check out? Thanks! (x-2)/(x-1) + (2)/(x^2-1) = 0 x-2 / x-1+2/(x-1)(x-2) = 0 To check: 0-2 = -2 0-1 = -1 -1/-2 = 0.5 02 1 = -1 -1/2 = -0.5 0.5 + -0.5 = 0 1-2 = -1 1-1 = 0 0/-1 = 0 12 1 = 0 0/2 = 0 0+0...
Tuesday, August 4, 2009 at 8:58am by Rachale

algebra check these answere please
so what to change #2 to? could you fix that one for me thanks
Monday, March 23, 2009 at 7:36pm by jaz

Algebra help+check please?
I did see that.. one's a little to the right. Thank you.
Sunday, November 14, 2010 at 11:09am by Allyson

I did the last one for you. Now it's your turn. I'll be glad to check your answer.
Wednesday, September 14, 2011 at 9:22pm by Ms. Sue

Algebra-Please check-I'm desperate
Yes, that's what I meant for the second one-thank you for replying
Wednesday, October 20, 2010 at 4:36pm by JoniAnne

algebra 1
I answered one for you. Now it's your turn. I'll be glad to check your answer.
Thursday, February 3, 2011 at 1:47pm by Ms. Sue

algebra 1
I answered one for you. Now it's your turn. I'll be glad to check your answer.
Thursday, February 3, 2011 at 1:48pm by Ms. Sue

It's not -1. 2t + 1 = 3 Subtract 1 from each side of the equation: 2t = 2 Divide both sides of the equation by 2. t = 1 Here's your original post with the answers. 2t+1=3 it one of the following, but which one? A) 1 B) -1 C) 2 D) -2 please help Me!!!!! For Further Reading ...
Tuesday, October 16, 2007 at 7:59pm by Ms. Sue

Algebra-Please check
When you have time,Could someone please check this morning the two problems I listed in the first post along with this one The function f(x) = logx is a logarthmic function-I think this is false because it should be written as log(then a number)x, correct Thank you very much
Tuesday, December 14, 2010 at 9:20am by Anna

Algebra-check my answers
first two right, last one wrong. How do you get a solution of x=-2?
Saturday, October 20, 2007 at 10:13pm by bobpursley

algebra help
check the other one i posted an example they put on the packet im doing.
Tuesday, January 6, 2009 at 10:02am by eddie

is it ok if one of u experts can check some of my math homework would that be a problem thanks
Tuesday, January 6, 2009 at 2:59pm by Kiwi

Solve for ONE of the variables in ONE of the equations, then plug that into the OTHER equation. For example if you have 1. x + 3y = 5 2. 2x - 6y = -2 Solve for x in eq. 1. -----> x = 5 - 3y Plug 5 - 3y into eq. 2 -----> 2(5-3y)-6y= -2 10-6y-6y=-2 10-12y=-2 -12y=-2-10 -...
Thursday, April 29, 2010 at 8:12pm by Niq

1. the function f(x)=6x/3x-5 is one to one. find its inverse and check your answer. And on the second one can you tell me if I am correct. 2. solve the following exponential solution 7^2x+7^x+1-60=0 7^2 x+7^x-59=0 (49x)+7^x-59=0 49x/49=0/49 x=0/49 x=0
Saturday, December 1, 2012 at 10:23am by Heather-two questions please help

One root of 2x^3 - 5x - 3 = 0 is x = -1. Call that a lucky guess. Therefore x+1 is one factor. Divide that into 2x^3 - 5x - 3 and you get the other factor to be (2x^2 -2x -3). That can be factored again using the quadratic equation. The remaining roots are [4 +/- sqrt(28)]/4...
Monday, March 3, 2008 at 10:20pm by drwls

carrie says that one solution to y=3x-5 is (4,7).Describe two ways to check if her statement is true.use at least one way to check her answer.
Tuesday, May 8, 2012 at 10:40pm by josh

You should write your equation as y^2 + 9 = 1. First, solve your equation normally (by isolating y). Then, to check for extraneous solutions, simply plug your answers into the original equation, and see if they check out. If one or more of your solutions does not work, then it...
Tuesday, November 20, 2007 at 7:17pm by Michael

2(8+p)=22 16 + 2p = 22 2p = 6 p = ? That's the first one. You can do the second one -- and we'll be glad to check your answer.
Sunday, September 14, 2008 at 9:40pm by Ms. Sue

Math 116 algebra please check
Correct. The equations are not independent. One can be derived from the other.
Wednesday, July 16, 2008 at 8:31pm by drwls

algebra check
because it would be the same answer and the smart one that i asked said that it was right..da!!
Tuesday, August 31, 2010 at 8:44pm by ana

Algebra II-Please check
Both correct! Order is important for the first one, and not on the second.
Tuesday, April 5, 2011 at 4:46pm by MathMate

algebra word problem
x + y = 88 x - y = 24 Adding one equation to the other gives you: 2x = 112 x = 56 Substitute in one equation to find y, then put both values in the other to check.
Monday, October 4, 2010 at 4:45pm by PsyDAG

Algebra Combining like terms
The following problems are wrong 3: What's 6-10? 12: Check your signs carefully. 16: You added and you should have subtracted. 17: Check your signs again. 18: Completely wrong. 20: You only have one q^2 term, which is -6q^2, and only one choice starts with that.. **If you have...
Monday, June 14, 2010 at 9:59am by Jen

Here is one way to solve this system of equations. Substitute x+3 for y in the second equation. x + 3 = -3x + 7 Now solve for x: x + 3x = -3 + 7 4x = 4 x = 1 Therefore, y = 4 Check both equations to see if the solutions work. It always helps to check your work!
Tuesday, January 31, 2012 at 12:13pm by MathGuru

Math- Algebra
Yeah, well check the one below. I did not read carefully and left the wall of the barn out !!
Monday, February 18, 2008 at 10:05am by Damon

If you are expected to solve for x, first multiply 0.7x * 4. 2.8x = 0.8x - 7 Subtract 0.8x from both sides of the equation to get x on one side. Whatever operation you do to one side of an equation you must do to the other side as well. 2.8x - 0.8x = 0.8x - 0.8x - 7 2x = -7 ...
Thursday, March 1, 2012 at 5:42pm by MathGuru

If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the
Saturday, August 21, 2010 at 9:08pm by Anonymous

You can check your solutions by putting in the values of s s=? -1 then -1+7/(-1)=-1-7=-8 checks s=? 7 then 7+7/7=7+1=8 doesnt check. Did you mean minus 7, I think that checks. Check my thinking.
Wednesday, January 23, 2008 at 2:14pm by bobpursley

Check this site. If it doesn't help you, please post one or two of your problems. We'll be happy to show you how to find the solutions.
Tuesday, July 29, 2008 at 9:27pm by Ms. Sue

8th Grade Algebra: Answer Check
1,2,3,4,5,6,7 are ok. 8. sqrt (3x^2) = x*sqrt(3) Check that. 9,10,11 ok. 12. sqrt(3)*sqrt(27) = sqrt 3*sqrt(3*9) 9*sqrt(9) = 9*3= 27. Check that. check 15. I think you just wrote it wrong. I get 1/5*sqrt(10). Check that. The others look ok.
Tuesday, January 20, 2009 at 10:42pm by DrBob222

In the model, that's "piscine." #3 = check gender #4 = as sh provided for you #6. eb vukke??? You have a good paperback dictionary? If not, get one English--->French/French--->English and verify the gender of a noun before you select masculine or feminine. Check this one...
Wednesday, April 29, 2009 at 2:22am by SraJMcGin

algebra check answer
out of 40 problems I am stuck on this one. I am just going to turn it in. Goodnight everyone.
Thursday, August 5, 2010 at 10:17pm by christy

Algebre=Please check
1st one is correct 2nd one - including point ?, you are missing part of the point repost and I'll check
Thursday, January 13, 2011 at 4:07pm by helper

Algebra II (check)
Assume that no denominator equals 0. (8y^3+27)/(2xy-10y+3x-15) I don't know how to solve this one.
Saturday, March 1, 2008 at 12:34am by Jon

what, you can't plug in the values and evaluate? 329 is greater than 4^3, so y is obviously a 4th-degree polynomial. 4^4 = 256, so I'd try the last one: 256 + 2*64 - 3*16 - 2*4 + 1 = 329, so check the other values. Looks like the one.
Wednesday, November 14, 2012 at 11:44am by Steve

Math - Algebra
x^2 = -3x+10 x^2 + 3 x - 10 = 0 (x+5)(x-2) = 0 x = 2 or x = -5 but have to check because squaring both sides is cheating sqrt a^2 = either +a or -a and one or both may not check try x = 2 2 = sqrt (-6+10) yes, ok, x = +2 works try x = -5 -5 = sqrt (25) = + 5 no way so the only...
Monday, December 12, 2011 at 6:39pm by Damon

Algebra Help Inverse One-to-one
Did I do this right? Problem: If the following defines a one-to-one function, find its inverse. If no, write "Not one-to-one." {(-2,4),(-1,4),(0,1),(1,-5)} answer: Not one-to-one because of (-2,4), (-1,4)
Friday, March 28, 2008 at 5:25pm by Lynn

Algebra HELP :(
If you write a check without enough money in the bank, a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 5% of the amount of the check plus a $10 processing fee. Let n= the amount of the check and p the amount of the ...
Friday, June 4, 2010 at 12:44am by bart

...since (1/4)4x= (4x/4)? yup, and what is 4x/4 ? isn't that x ? so you know how to factor simple trinomials? x^2 - x - 20 = 0 (x-5)(x+4) = 0 so x = 5 or x = -5 check: if x = 5 5/4 - 5/5 = 5/4 - 1 = 1/4 , check! if x = -4 -4/4 - 5/-4 = -1 + 5/4 = 1/4 , check! my answers are ...
Monday, April 16, 2012 at 7:35pm by Reiny

An undo rule is the alias for the inverse of a function. One of the definitions of an inverse f-1(x) of a function f(x) is such that f(f(x))=x The definition can be used to check if a function is the inverse of another, as illustrated in the following example. Let f(x)=x+5 we ...
Sunday, March 4, 2012 at 10:50am by MathMate

Could you please check my answers and help me with one? Find the domain of the function. f(x)=-8x-2 -I got the domain being (negative infinity, postive infinity). g(x)= 3x/x^2 -49 (This one I dont understand how to find the domain)
Thursday, September 13, 2007 at 9:02pm by Soly

algebra 1
Solve for the variable in the equation 3(-2-3x)=-9x-4. I'm having a hard time with this one. Whenever I check my work the numbers are close, but not correct.
Tuesday, May 18, 2010 at 10:25am by Toni

Algebra II-Please check fpr explanation
I forgot one question-in a hyperbola, the "a^2" is always under the first variable, whether it be "x" or "y", correct
Saturday, January 14, 2012 at 5:34pm by Graham

A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
Thursday, October 18, 2012 at 7:14pm by Anton

Pre-Algebra please help me!!
It looks to me for each increase in x, one will get an increase in y of 3, and at x=0 y is -7 y= 3x-7 ? check that
Monday, November 26, 2007 at 9:35pm by bobpursley

check the discriminant #1: b^2-4ac < 0, so no solutions #2: b^2-4ac = 0, so one solution
Tuesday, March 11, 2014 at 11:05am by Steve

Algebra II-Please check calcs
Could someone check this matrix calculation The first matrix dimension is 1 by 3 row 1 = 1 row 2 = 7 row 3 =3 Second matrix is 1 by 3 Row 1 column one =2 row 1 column two = -5 row one column three = 5 my calculation is that it would be the dimensions of 3 by 3 Final calcs ...
Wednesday, January 26, 2011 at 2:27pm by Ray Scholz

All terms must be multiplied for factoring. x^2 + 8x - 20 = 0 Start by putting an x as the front of each term. (x _)(x _) = 0 When FOILing, we know that the "last" has to be a -20, so one sign is negative, and the other is positive. (x + _)(x - _) = 0 When multiplied, the two ...
Sunday, November 18, 2007 at 5:27pm by Michael

well check it check #1, yes, length is twice width check #2, yes, the area is 20*10 = 200 however remember the units 20 Yards by 10 yeards
Sunday, May 11, 2008 at 10:27am by Damon

8th Grade Algebra- Answer Check
#8 has no solution, here is why... 1st one times 5 20x + 40y = 25 2nd one times 4 20x + 40y = 52 subtract them 0 = 27 which is false if it ever happens that the variables disappear and the remaining statement is false, there is no solution. If the remaining statement would be ...
Wednesday, February 25, 2009 at 8:47pm by Reiny

akitsuke , check once more ... Algebra
Actually your error is different from the one I pointed out, from 1/3 - 5/6 = 1/x you went to x= 5/6 - 1/3 that should have been 1/x = 1/3 - 5/6 then 1/x = 2/6 - 5/6 1/x = -3/6 1/x = -1/2 now flip it x = -2
Tuesday, June 30, 2009 at 7:38am by Reiny

-12X^6+24x^5-18x^2/-6x^2=2x^4+24x^3-3x could some one check this for me please
Friday, June 4, 2010 at 9:46pm by Ashley

Could someone help me check my answer? Thanks. -Write each quotient as a complex number. 1. 3i/-2+i (Is the answer for this one = 3/5-6i/5)
Thursday, January 19, 2012 at 10:03pm by Shadow

Algebra II (check)
I had 3 at the very end where you have a -1 check your arithmetic.
Saturday, March 1, 2008 at 9:56am by Reiny

Can I get some help on this one I need to know if I got the right answer on this equation. Factor. v^2+12v+36 my answer was (v+6)^2 Can you check this for me.
Wednesday, July 2, 2008 at 1:47pm by Cynthia

Algebra 1 HELP
expand the terms... -5+25x -40x-10= ? then gather the terms one each side, Post your work, we will help you check it.
Sunday, October 20, 2013 at 5:59pm by bobpursley

Algebra Check
Thank you so much! Just one quick it a rule to always simplify first and then substitute, as in question 2?
Tuesday, January 21, 2014 at 1:47pm by Anonymous

Algebra Concept check
How can we check your answers, if you have not given them? We do not do your work for you.
Wednesday, May 12, 2010 at 11:48am by PsyDAG

slope = m = (-4-4)/(-6-2) = -8/-8 = 1 y = m x + b y = 1 x + b 4 = 2 + b b = 2 so y = x + 2 is our line check if it goes through second point -4 = -6 + 2 yes, check
Friday, March 20, 2009 at 3:52pm by Damon

Algebra-please check
Correct. You could actually check these problems yourself by plugging in your answers.
Wednesday, October 6, 2010 at 6:56pm by Jen

I am having issues with factoring. I am trying to check my work using a TI84 Plus calculator but I don't know how to plug in a problem to check its factoring. Can anyone help? for example 44y^3+55y^2-11xy how can I go about plugging that in to check my work?
Thursday, March 27, 2014 at 8:04am by Christopher

Algebra II repost- please check
I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = -2(x - 3)2 + 4? 3. Does the graph of y = -2(x - 3)2+ 4 open up or down? My answers: 1. I cannot ...
Tuesday, November 27, 2007 at 8:06pm by JaneLee

Algebra II
I solved one of these sigma notations and had Reiny check it in an earlier post but this one totally befuddles me- Which of the following terms would not be in the series generated by the expression: 5 Signma symbol (k^2-5k+2) k=2 the choices are 2, -2, 4 or -4If you could ...
Monday, December 5, 2011 at 12:17pm by Julia

Algebra 2
Yeah, they have tossed a lot of them your way. Expect some on the test, I guess. Always check you proposed answer, if you get one, to make sure it works!
Saturday, May 18, 2013 at 9:19am by Steve

algebra 1
Yes, but you could check it. (2*5)+(3*7)= 10 + 21 = 31 AND (3*5)+(2*7) = 15+14=29 so both equations check.
Tuesday, January 27, 2009 at 10:03pm by DrBob222

I did not bother to check all that, check my answers back in.
Monday, May 18, 2009 at 1:12am by Damon

Will this check work? Is this correct? 0-2 = -2 0-1 = -1 -1/-2 = 0.5 0^2 1 = -1 -1/2 = -0.5 0.5 + -0.5 = 0 THEN 1-2 = -1 1-1 = 0 0/-1 = 0 1^2 1 = 0 0/2 = 0 0+0 = 0 x = 0, 1 Does this all check out?
Tuesday, August 4, 2009 at 8:58am by Rachale

Algebra-please check
Thank you- I just wanted to double check
Wednesday, October 6, 2010 at 6:56pm by Tanya

Math check my answers
Please check my answers on the following questions Simplify: (X^6)^1/2 = x^3 1000000^1/6 I don't know this one (64n^12)^-1/6 = 1/0.5n^2 (9n^4)^1/2. = 3n^2 36^3/2 = my answer is 2 in the index of the aware root of 36^3 343^-4/3 I don't know this one Thanks
Thursday, September 19, 2013 at 7:45pm by Lea

Algebra II (check)
I think radical sign is what I meant. I don't know what its called its just not a sqrt sign but it looks like one.
Saturday, March 1, 2008 at 10:05am by Jon

English 10
Which of the following is a possible setting for works of American literary realism? CHECK ALL THAT APPLY! *a. American West *b. Post-Civil War South c. New England d. Gold Coast I think there is one more that needs to be check, but I don't know which one it is. Can you please...
Tuesday, December 10, 2013 at 6:15pm by Cassie

Algebra-Can you please check this Reiny
Can you check this: x^-3y^2/x^2y^-4 I think the answer is y^6/x^5 Thanks for explaining the other problem
Wednesday, October 6, 2010 at 12:44pm by DeAnne

Math-Algebra-Please check
Thank you-I appreciate it- I posted another- could you just check it to make sure I got this concept.
Wednesday, October 6, 2010 at 6:26pm by Tanya

Math-Algebra-Please check
Thank you-I appreciate it- I posted another- could you just check it to make sure I got this concept.
Wednesday, October 6, 2010 at 6:26pm by Tanya

Check the answers to your last two posts. The websites shows exactly how to do it. We'll be glad to check your answer.
Thursday, January 13, 2011 at 9:27pm by Ms. Sue

algebra (check plz)
d) is not wrong, but it's not in its final form; you have a constant on each side. Subtract one from each side to get rid of the 1 on the LHS and you'll be finished.
Monday, October 26, 2009 at 1:49pm by jim

Just a minute! You call this Homework Check. I am very happy to do that for you BUT I need to see your answers to check them! If you put your choices near the number, it will be much easier. For example: Number one has ONLY one choice. Many of the others go with ir or estar ...
Monday, October 4, 2010 at 11:53am by SraJMcGin

Algebra II (check) not the whole problem
yes, I know I assumed from your setup that the divisor was x-1 My previous reply stands. check by finding f(1), you will get 3, not -1
Saturday, March 1, 2008 at 9:56am by Reiny

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