Trans math equations y=mx+b (1).notebook
November 18, 2013
Copy this week's agenda and have HW ready
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Trans math equations y=mx+b (1).notebook
November 18, 2013
Equations in the form y=mx+b
Recap: In the equation form y=mx, what
did y, m, and x stand for?
y = mx
x­coordinate
y­coordinate
slope
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Trans math equations y=mx+b (1).notebook
November 18, 2013
So, what on earth is "b"?
Let's graph an example to try and figure it
out...
y=2x+1
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Trans math equations y=mx+b (1).notebook
November 18, 2013
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Trans math equations y=mx+b (1).notebook
November 18, 2013
Maybe we should try another one...
y=­1/2x + 2
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Trans math equations y=mx+b (1).notebook
November 18, 2013
ONE more...
y=3x ­ 2
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Trans math equations y=mx+b (1).notebook
November 18, 2013
So, what is "b"?
y = mx + b
y­coordinate
slope
y­intercept
x­coordinate
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Trans math equations y=mx+b (1).notebook
November 18, 2013
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Trans math equations y=mx+b (1).notebook
November 18, 2013
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Trans math equations y=mx+b (1).notebook
November 18, 2013
The form y=mx+b is called
Slope­intercept form
Because it tells us the...
Slope! and intercept!
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Trans math equations y=mx+b (1).notebook
November 18, 2013
Write the equation for the line that passes
through these points in slope­intercept form
y=mx+b
A(3, 4)
B (­2, ­1)
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Trans math equations y=mx+b (1).notebook
November 18, 2013
Write the equation for the line that passes through t
y=mx+b
C (­3, 5)
D (1, ­3)
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Trans math equations y=mx+b (1).notebook
November 18, 2013
Exit slip
On an index card, answer the following:
1. Rate your understanding of today's
lessons on a scale of 1­5.
1 is confusion and 5 is mastery
2. What topic in our linear functions unit do
you need the most help with before you
can say you've mastered it?
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Trans math equations y=mx+b (1).notebook
November 18, 2013
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