D) y + 3 = -6(x + 9)
The equation for point-slope form is y - y1 = m(x - x1) where (x1, y1) is a point and m is the slope.
Substitute the values in to get y - (-3) = -6(x - (-9)).
Now, simplify a little bit.
y + 3 = -6(x + 9)
There’s the answer.
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The equations could have been 54/9, . . 48/8, . . 42/7, . . 24/4. What you divide by multiplied by 6 should equal the number before the division sign.
Answer:
-20 Feet.
The dolphin went below its initial starting point, Zero