A parabola has a vertex at (-2,6) and roots at 7 and m. Find the value of m
1 answer:
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Answer:
Train A - 50 miles per hour
train B - 30 miles per hour
Step-by-step explanation:
Let x mph be the speed of the train B, then the speed of the train A is (x+20) mph.
In 3 hours,
- train A travels 3(x+20) miles
- train B travels 3x miles
In total, they covered the distance of 240 miles, so
ANSWER
3
EXPLANATION
The given polynomial is
The terms of the polynomial are:
First term:
Second term:
Third term:
Therefore the given polynomial has 3 terms.
