Set 9: Linear Equations (Intermediate)

Explanation

Answer: B

In the equation $H = 1.5t + 10$ , $H$ is the height of a plant in cm after $t$ days. What does 10 represent?

The number of days

The initial height

✓ Correct

The growth rate

The final height

Detailed Explanation

Choice B is correct. Choice D is the correct answer. 1. Intercept (10): The value when $t=0$ . Initial height. 2. Slope (1.5): Growth per day. Choice C is incorrect because 1.5 is the growth rate. Choice D is incorrect because H is the final height. Choice C is incorrect because t is days.

Key Steps:

•

The correct answer is The initial height

Why others are wrong:

A: Choice A is incorrect and may result from a calculation error.

C: Choice C is incorrect and may result from a calculation error.

D: Choice D is incorrect and may result from a calculation error.

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