Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -




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Topic review (newest first)

2012-11-16 18:29:44

Hi angie38;

Welcome to the forum.
First find the slope of the line you are given.

solve for y

The slope of this line is 2 / 3. For a line to be perpendicular to this one its slope must be a negative reciprocal. So therefore the slope of the new line is -(3 / 2).

The general form of the line you want is:

since we know the slope m

You should be able to solve for b and get the equation of the line that is perpendicular to the given one and passes through the point (-2,-2).

2012-11-16 16:09:38

hi..this is my first message...please help me answer this problem ...
Find the equation of the line passing through (-2,-2) and perpendicular to the line 2x - 3y + 5 = 0..kindly provide me the steps in solving this problem..I hope i can post another one...much thanks

2012-11-09 09:16:27

Oh, didn't realize you were a new member.  Your question already seems answered, so I just have one thing to say.

Welcome to the forum!

2012-11-08 18:30:43

Hi warparty;

I know it was a simple question, especially after viewing all the complex ones on the forum.

There are no simple questions or I have missed them. Welcome to the forum.

2012-11-08 16:24:54

Thanks so much.  I know it was a simple question, especially after viewing all the complex ones on the forum.  But, it's little things like that that are kind of skipped over, but become cummulative with other problem areas.  A recent example was a quiz I found on Roman Numerals.  You could know the meaning of them, but you would have to be instructed how to represent 9.

And your Galileo quote so appropos after my first meeting today with my 4th grader.  I knew I could show her a whole lot she already knew, but did not realize how it was "packaged" on standardized tests, e.g., the property of zero.

bob bundy
2012-11-07 09:02:00

hi warparty,

Welcome to the forum.

I would use side for a 2-D shape and face for a 3-D object.


2012-11-07 08:48:11

does face and side of a figure mean the same thing?

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