Comparing Slopes

By Andrea Myers 09 Nov 17:04
10 slides
2
Increasing & Decreasing LinesRemember, that a line with a positive slope is increasing (goes up from left to right).A line with a negative slope is decreasing (goes down from left to right).
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Writing equations of increasing & decreasing linesRemember:
1) 'm' always represents the slope.
2) Slope-intercept form is y = mx + b, where 'm' is the slope and 'b' is the y-intercept.
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Remember, slope can be calculated using the slope formula. It doesn't matter if you have a table, graph, or a set of points. Calculate the slopes of the three linear functions represented on this slide.h(x) = 3/4 x + 2
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Y-InterceptsRemember, the y-intercept is the location at which the graph crosses the y-axis. The y-intercept ALWAYS has the x-value "0".f(x) = 4x + 8
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Pulling It Together #1
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Pulling it Together #2
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Comparing Slopes #1: Given f(x) = 3/4x - 8. Compare its slope to the slopes of the functions graphed below.
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Comparing Slopes #2: Compare f(x) = 4x - 9 to the functions shown below.
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Comparing Functions #1f(x) = 2/3 x + 5
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Comparing Functions #2

Slides in Comparing Slopes

Remember, that a line with a positive slope is increasing (goes up from left to right).
Remember: 1) 'm' always represents the slope. 2) Slope-intercept form is y = mx + b, where 'm' is the slope and 'b' is the y-intercept.
Remember, slope can be calculated using the slope formula. It doesn't matter if you have a table, graph, or a set of points. Calculate the slopes of the three linear functions represented on this slide.
Remember, the y-intercept is the location at which the graph crosses the y-axis. The y-intercept ALWAYS has the x-value "0".
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