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Grade 8 Mathematics Formula Sheet
Check all of the statements that are TRUE about the scenario represented:
Months of growth
3
5
8
9
15
Length of hair (inches)
8
11
15.5
17
26
(3 points)
Responses
The y-intercept (0, 3.5) represents the amount of time it takes to grow 3 1/2 inches of hair.
The y-intercept (0, 3.5) represents the amount of time it takes to grow 3 1/2 inches of hair.
The equation of the line would be y = 3.5 x + 3/2
The equation of the line would be y = 3.5 x + 3/2
The y-intercept (0, 3.5) means that at the starting time, there was 3.5 inches of hair
The y-intercept (0, 3.5) means that at the starting time, there was 3.5 inches of hair
The slope 3/2 means that 2 inches of growth happens every 3 months.
The slope 3/2 means that 2 inches of growth happens every 3 months.
The slope 3/2 means that hair can grow 1.5 inches every month
The slope 3/2 means that hair can grow 1.5 inches every month
The equation of the line would be y = 3/2 x + 3 1/2
The equation of the line would be y = 3/2 x + 3 1/2
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The correct statements are:
- The y-intercept (0, 3.5) means that at the starting time, there was 3.5 inches of hair.
- The slope 3/2 means that hair can grow 1.5 inches every month.