we are given
now, we can factor out right side term
now, we can plug back
and we get
so,
.............Answer
If $95 is put in an account that gets 6% and I add $18 at the end of each year, how much will I have at the end of 11 years?
1 answer:
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For this case we must indicate which of the equations shown can be solved using the quadratic formula.
By definition, the quadratic formula is applied to equations of the second degree, of the form:
Option A:
Rewriting we have:
This equation can be solved using the quadratic formula
Option B:
Rewriting we have:
It can not be solved with the quadratic formula.
Option C:
Rewriting we have:
This equation can be solved using the quadratic formula
Option D:
Rewriting we have:
It can not be solved with the quadratic formula.
Answer:
A and C