What are the solutions of x2 + 10x + 16 = 0?
2 answers:
Answer:
x= -2 and x= -8
Step-by-step explanation:
Given:
Solution:
1) equation in standard form is
therefore, is in standard form.
2) factors of the polynomial of the given equation is :
3) zero product property sate that if a.b=0 then either a=0 or b=0
applying this property,
⇒either (x+2)=0 or (x+8)=0
⇒either x= -2 or x= -8
4) solving the equation we get, x= -2 and x= -8
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Answer:
The approximate probability is 0.7325.
Is not unlikely that a driver in that age bracket is involved in a car crash during a year, so there are reasons to be concerned.
Step-by-step explanation:
The approximate probability can be estimated using the sample proportion:
A probability of 0.7325 is high, so it is not unlikely that a driver in that age bracket is involved in a car crash during a year.
As this value is high, there is reasons to be concerned about it.