- The slope from a point P(-2,5) to a point Q(4,-1) is the (rise)/(run) = ((-1)-(5))/(4-(-2)) = (-6)/(6) = -1.

If the run = 0, then the vertical slope is said to be undefined.

- Positive slopes rise to the right. Negative slopes rise to the left.

- A slope of zero is a horizontal slope.

- The slope from a point P(x

- Your Score Report appears after you have made 8 choices.

- Your Game Score is reduced by the number of butterfly hits.

- To slow the game speed repeat tap/click on the word

- To increase the game speed repeat tap/click on the word Math.

- Speed can also be adjusted with a keyboard's - and + keys.

- Refresh/Reload the web page to restart the game.

- Adjust the sound level of media on your device.

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