2. Which of the following mathematical sentences is the correct translation of “the distance (D) travelled varies directly as its speed (s).”?
A. D = ks
B. D = k/s
C. s = kD
D. s = k/D
A. D = ks
B. D = k/s
C. s = kD
D. s = k/D
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Answer:
A. D=ks
Step-by-step explanation:
Where
D= distance
k=constant
s=speed
There's a clue VARIES DIRECTLY which is DIRECT VARIATION (y=kx)
Direct variation describes a simple relationship between two variables