Answer:
Step-by-step explanation:
Amy = x years
Ben = x + 2 (years)
Alice = x - 6 (years)
I think the correct answer is c
Answer:
Duh $6
Step-by-step explanation:
its simple math
The polynomial is not factorable, so use the quadratic formula.
y^2 + 8y + 19 = 0
x = (-b +- sqrt(b^2 - 4ac))/(2a)
x = (-8 +- sqrt(8^2 - 4(1)(19))/(2 * 1)
x = (-8 +- sqrt(64 - 76))/2
x = (-8 +- sqrt(-12))/2
If you have not learned imaginary/complex numbers, then the answer is "No solution" since there is no real number solution.
If you have learned imaginary/complex numbers, then we'll continue.
x = (-8 +- 2i sqrt(3))/2
x = -4 +- i sqrt(3)
10. Infinitely many solutions:
Simplify this equation:
When 
the equation becomes
This equality is true for all x, thus the equation has infinitely many solutions.
11. The equation 
should have one solution x=-1.
First, simplify the equation:
This equation will have solution x=-1 when
Therefore, the initial equation is
12. The equation 
should have infinitely many solutions.
Simplify it:
When 
this equation will have infinitely many solutions.
