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24.06.2019 •
Mathematics
If the quadratic equation x^2 + 18x +74=0 is rewritten in the form (x-p)^2 = q what is the value of q? a) -155 b) -74 c) 7 d) 9
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Ответ:
-7
step-by-step explanation:
x^2 + 18x + 74 = (x + 9)^2 - 81 + 74
= (x + 9)^2 - 7.
so q = -7.
Ответ:
26 miles
Step-by-step explanation
to find the amount of miles, you divide 130 mph by 5 hours to get a distance of 26 miles