SC READY Math Grade 8 Practice Questions - South Carolina SC READY Mathematics Assessment - Grade 8 Exam

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A scatter plot models plant growth in centimeters over days: y = 1.2x + 4.5. What does the y-intercept 4.5 represent in this real-world context?

The initial height of the plant at day 0 (4.5 cm) The daily growth rate of the plant (1.2 cm/day) The maximum height the plant can achieve The number of days needed to grow 4.5 cm

Correct Answer:

The initial height of the plant at day 0 (4.5 cm)

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