Scott is going for a run. He runs for 12.5 miles at a speed of 5 miles per hour. For how many hours does he run?
2 answers:
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Answer:
D: 4
Step-by-step explanation:
1. Solve the equation
2. Check
OK
Answer:
see explanation
Step-by-step explanation:
By the rational root theorem, any rational roots of f(x) are expressible in the form
for integers p and q
with p a divisor of the constant term 6 and q a divisor of the leading coefficient 1.
The possibilities are ± 1, ± 2, ± 3, ± 6
Since the lead coefficient is 1 dividing by that number doesn't change a thing.
Thus the possible rational roots are
= - 6, - 3, - 2, -1, 1, 2, 3, 6