Search found 7 matches


Divide / Multiply When Simplifying Fractions in Equations

This is a really basic question...how do you know whether to divide or multiply the numerator / denominator when you're simplifying an equation with fractions? For instance, if you're solving for X: x/3 = 6 Do you divide the 6 by 3 (x = 6/3 = 2) or multiply it by 3 (x=18)? Is there a rule you can fo...

by bruin61579

Sun Jul 17, 2011 9:46 am
Forum: Problem Solving
Topic: Divide / Multiply When Simplifying Fractions in Equations
Replies: 1
Views: 1313

EXPONENTS

Hi, I just took a Knewton practice test, and this was a PS question. I'm putting <> around the exponent, since the formatting didn't translate when I pasted: 3 + 3 + 3 + 2 × 3<2> + 2 × 3<3> + 2 × 3<4> + 2 × 3<5> + 2 × 3<6> + 2 × 3<7> = The explanation Knewton posts is as follows: The key to th...

by bruin61579

Mon May 16, 2011 1:04 pm
Forum: Problem Solving
Topic: EXPONENTS
Replies: 1
Views: 1325

Coordinate Geometry

Hi,

I'm trying to reacquaint myself with coordinate geometry. On page 137 of the 12th edition, there's a graph with two points: (-2,4) and (3,-3). How do you determine which pair is (x1, y1) and which pair is (x2, y2), for the slope formula?

Thanks,
David

by bruin61579

Mon Apr 25, 2011 7:37 pm
Forum: Problem Solving
Topic: Coordinate Geometry
Replies: 2
Views: 976

Hi Dana,

Thanks for getting this to me so fast. One problem: received day 16 instead of day 18. Can you resend?

Thanks,
David

by bruin61579

Fri Apr 22, 2011 10:05 am
Forum: The 60-Day GMAT Study Guide
Topic: Missing Day 17 and 18 - HELP!
Replies: 3
Views: 1237

Missing Day 17 and 18 - HELP!

If anyone could send to me, or let me know where on the site I could find it, that would be great.

Thanks,
David

by bruin61579

Thu Apr 21, 2011 9:10 pm
Forum: The 60-Day GMAT Study Guide
Topic: Missing Day 17 and 18 - HELP!
Replies: 3
Views: 1237

NEED TO GET MISSING 60 DAY PRACTICE LESSONS

Hi,

For some reason I didn't receive the day 17 and day 18 math lessons - is there a way to have them re-sent? I can't find them on the site...

by bruin61579

Wed Apr 20, 2011 3:04 pm
Forum: GMAT Math
Topic: NEED TO GET MISSING 60 DAY PRACTICE LESSONS
Replies: 1
Views: 1096

Hi, I'm using Office 2004 for Mac. Last night I was able to work with and save my work to the error tracking log with no issue. When I tried to open the file tonight (by double clicking the icon on the desktop) excel opens but the spreadsheet isn't visible. No error message comes up - the only thing...

by bruin61579

Mon Apr 04, 2011 8:58 pm
Forum: Suggestions and Feedback
Topic: GMAT Error Logs Suggestions and Feedback
Replies: 60
Views: 31485