A seedling grows at a rate of 1.5 cm each week. Before the seedling was planted in the ground, it measured 7 cm. Write an equation that model’s the flower’s height h after x weeks. What does the y-intercept represent?

2 answers

y=1.5x+7

1.5x = represents how much the seedling grows in x amount of weeks

7 = is the height before it was planted. It is constant. It is also your y-intercept because the equation is in y=mx+b form in which b is the y-intercept
You can replace y with h since it says an equation for the flower's height "h". The equation is still the same though
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