Answer:
f(x)=x^2+9x-10
Step-by-step explanation:
<u>Standard Form of Quadratic Function</u>
The standard form of a quadratic function is:
where a,b, and c are constants.
The factored form of a quadratic equation is:
Where 
and 
are the roots or zeros of f, and a is constant.
We know the zeros of the function are 1 and -10. The function is:
Operating:
Joining like terms:
Since we are not given any more restrictions, we can choose the value of a=1, thus. the required function is:
The first thing we must do for this case is to define variables.
We have then:
x = british pound
y = dollar bills
We have the following system of equations:
x + y = 17
1.65x + y = 18.30
Resolving we have:
x = 2
y = 15
Answer:
you have:
american dollars = 15 items
british pound coins = 2 items
Answer: There are no solutions.
Step-by-step explanation: So the way you do this is by subtracting 9p from both sides, which gets you:
8 = -7
Since 8 is not equal to -7, there is no solution to this equation.
I’m pretty sure it is (7, 2)
