Slope Formula
What is the slope formula?
m=x2−x1/y2−y1
What is the rule for adding positive and negative numbers?
Same sign add and keep, different sign subtract and keep the sign of the bigger number.
What type of slope goes downhill from left to right?
Negative slope
Find the slope between (–3, 5) and (2, –10).
m = -3
What is one reason why taking notes during math class is important?
Helps you remember steps, review later, and improve understanding.
What does the letter m represent in the formula?
m stands for slope.
What is the rule for subtracting integers?
Keep the first, Change the operation, Change the sign.
or Keep Change Change
What type of slope does a horizontal line have?
Zero slope
Find the slope from (4, –6) to (–2, 6).
m = -2
Name three components of effective math notes.
Date and title, steps/process/formula, examples, vocabulary, tips/tricks and questions.
Explain the numerator of the formula (y2−y1) in your own words.
Take take the second y-value from the second ordered pair and subtract the first y-value from it.
This happens when you subtract a negative.
It is the same as addition/positive.
What type of slope goes uphill from left to right?
Positive slope
Determine the slope from (7, 2) to (4, –4).
m = 2
What is the difference between useful notes and copying?
Useful notes are in your own words.
Explain the denominator of the formula (x2-x1).
Take take the second x-value from the second ordered pair and subtract the first x-value from it.
Solve
-5 -(-10)
5
What type of slope does a vertical line have?
Undefined slope
What is the slope between (–6, –3) and (–1, 7)?
m = 2
Name a type of note taking.
Cornell Notes, Outlining, SQ3R, Mind Maps, guided notes.
Find the slope between (–2, 4) and (2, –4).
m = -2
Solve
-5 - 15
-20
Solve for slope and name the type.
(4, 2) and (4, –3)
Undefined slope
Find the slope from (0, –3) to (–2, 9).
m = -6
What should you do in your notes if the teacher works through an example on the board?
Write it down!