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Graph 1: What is the slope of the line
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Geneva is saving for a new dress. She already has $20 saved and intends to save $7 each week. The equation for the amount of money y she has saved is y = 7x + 20, where x is the number of weeks. What do the slope and y-intercept represent?
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Graph 2: What is the y-intercept of the line
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Table 1: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Find the slope of the line that passes through the points A(–2, –4), B(2, 4)
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Graph 5: Write an equation from the graph. Simplify
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
Table 2: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
What is the equation, in slope-intercept form, of the line that passes through (0,-4) and has a slope of 6?
y = 3x - 2
2/5
y = 6x - 4
7/2
slope: her savings each week; y-intercept: the amount already saved
not linear
-1
2
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