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Mrs. Fleming
CCGPS Coordinate AlgebraThe Slippery Slope of “Slope”
(Average Rate of Change)
January 28, 2014
1.09 Average Rate of Change
Study Island 2v
* Class Rules *- Be Active- Be Polite
- Be Courteous- Be Respectful
MISSION: The mission of the Georgia Cyber Academy is to provide an exemplary individualized
and engaging educational experience for all students by incorporating school and
community/family partnerships coupled with a rigorous curriculum within a data-driven and
student-centered instructional model. Student success will be measured by valid and reliable
assessment data, parent and student satisfaction, and continued institutional growth within the
academic community.
VISION: GCA students will emerge as confident leaders in the 21st century global community
through a holistic approach of rigorous academic standards, a commitment to individualized learning paths, and attention to the growth of each student as a civic minded contributor both within their local
communities and beyond.
This Week’s Assignments
CCGPS Standards
Standards
MCC9-12.F.IF.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph.
MCC9‐12.F.IF.7 Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.
Learning Target
*Find the rate of change and average rate of change of a function over a given interval.
*Big Ideas The slope of a line is the measure of its
steepness.
The formula for calculating the slope of a line is:
12
12
xx
yy
How much did “y” change or how far apart are the two numbers on a number line ?How much did “x” change or how far apart are the two numbers on a number line?
(0,-4)
(9,2)
(x,y)
(x,y)
2 - -4
9 - 0 6 rise 9 run
Hang on! It’s Your
Turn
A. 1B. -1C. 3 5D. -5 3
Find the slope of the line passing through the points (-3, 4) and (2, -1).
*Find the Slope
A. 9 2B. 2 9C. -9 2D. -2 9
Find the
Slope
Slope What does it look like in an equation?
What does it look like in a graph?
PositiveSlope
Negative Slope
Zero Slope
Undefined Slope
*Slope of a Line
*What is the Slope?
A. PositiveB. Undefine
dC. NegativeD. Zero
*What is the Slope?
A. PositiveB. Undefine
dC. NegativeD. Zero
*What is the Slope?
A. PositiveB. Undefine
dC. NegativeD. Zero
*What is the Slope?
A. PositiveB. Undefine
dC. NegativeD. Zero
So, what is the average rate of
change?
Study Island
Study Island
Study Island
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Study Island
Don’t get behind! It makes you feel like
road kill!
Open each of these in your Algebra Class TODAY! Don’t get
behind!