Question

A biologist has been observing a tree’s height. 10 months into the observation, the tree was 15.1 feet tall. 18 months into the observation, the tree was 17.18 feet tall.

Let x be the number of months passed since the observations started, and let y be the tree’s height at that time, in feet. Use a linear equation to model the tree’s height as the number of months pass.
This line’s slope-intercept equation is _______.
27 months after the observations started, the tree would be
______ feet in height
_______ months after the observation started, the tree would be 26.02 feet tall.

Answer 1

Explained below:

Explanation:

A: Positive, because it grows taller.

(0,1.51)

B: 40.77. I divided the 15.1 by 10 to see how much it grows after each month so then I got 1.51 and multiplied it by 27 getting 40.77.

C: 17.23 months. I divided 26.02 by 1.51 to see how long it would take and got 17.23.

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