alg1 7.7 slope-intercept form
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Algebra 1
Lesson 7.7
Slope-Intercept Form
How would you... describe these dogs?
How would you... Describe these drinks?
Mocha coconut frappuccino
Iced caramel macchiato
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How would you... Describe these cubes?
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How would you... Describe these lines?
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GraphingTo describe a line,
we identify theSLOPE and Y-INTERCEPT
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y = mx + bFormula:
y = mx + bslope y-intercept
y = - x - 478
y = 5x - 2
y = x 28
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3)
y = mx + bslope y-intercept
y = x - 253
Graph this line:
y = mx + bslope y-intercept
y = - x + 3
Graph this line:
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y = mx + bslope y-intercept
y = x - 1
Graph this line:
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#1
y = mx + bslope y-intercept
y = - x + 2
Graph this line:
#2
y = mx + bslope y-intercept
y = x + 1
Graph this line:
#3
y = mx + bslope y-intercept
y = x - 4
Graph this line:
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y = mx + bslope y-intercept
y = 4
Graph this line:
#6
Transforming between standard and slope-intercept form
Standard Form Slope-Intercept Formvs.
Ax + By = C y = mx + b
x + y = # y = x + #
-2x + y = 4
Simplified... Simplified...
Standard Form Slope-Intercept FormAx + By = C y = mx + c
x + y = # y = x + #-6x + y = 4
y = -9x + 3
-10x + 5y = 15
b