Slope and Intercept
It is generally delightful to create a set up where the children investigate and reach conclusions!
A lot of skills come into picture - deductive logic, pattern reading, group work and self learning.
One such investigation was to be able to read slope and intercept from y=mx+c.
I started with giving students a lot of equations and randomly plot them on a graph - single grid.
Then I discussed rise and run with them. Followed the following investigation table:
Equation
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Rise ÷ Run
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Where the line cuts y-axis
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1
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2
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3
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4
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5
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ANALYSES -
What do I deduce from the information in the table? What do you notice?
CHECK YOUR UNDERSTANDING -
For each of the following, write the slope ’m’ and intercept ‘c’ from the equation y = mx + c
For each of the following, write the slope ’m’ and intercept ‘c’ from the equation y = mx + c
EQUATION
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Slope and Intercept
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1. Y = 5x – 7
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2. Y = 6
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3. Y = -3x + 5
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4. Y = -2x – 9
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5. Y = 7x
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