X^2 - 10x - 20 = 0, which number would have to be added to "complete the square"?
2 answers:
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Answer:
An ice cream cone with 5 scoops cost is, $4.5
Step-by-step explanation:
As per the statement:
An ice cream stand uses the expression to determine the cost of an ice cream cone that has x scoops of ice cream.
⇒ Cost of an ice cream cone C(x) = .....[1]
Given: x = 5 scoops
We have to find the cost of an ice cream cone with 5 scoops cost.
Substitute the given value of x =5 in [1] we have;
C(5) =
C(5) = = 2 + 2.5 = $4.5
Therefore, an ice cream cone with 5 scoops cost is, $4.5
Answer:
No, the given polynomial is not prime.
Step-by-step explanation:
Given: a polynomial
To check: whether the given polynomial is prime or not.
Solution:
A prime polynomial is a polynomial that cannot be factored into polynomials of lower degree and has integers as coefficients.
In the given polynomial, coefficients are integers.
Also, the polynomial cannot be factored further into polynomials of lower degree.
So, the given polynomial is not prime.