For a quadratic equation ax^2 + bx + c = 0, the discriminant is given by b^2 - 4ac
Thus for a^2 - 2a + 5 = 0,
a = 1, b = -2 and c = 5
b^2 - 4ac = (-2)^2 - 4(1)(5) = 4 - 20 = -16
Answer:
Step-by-step explanation:
the answer is basically 4.5% and the 6%
The answer is 3ft because i know im in high schooland u have to find the legth
We can form a system of equations:
x*y=90
and
x=2y+3.
Solving gives dimensions of 15 feet by 6 feet.
Answer:
The first prize is $800.
Explanation:
Third price = $50
The second price = $50(4) = $200
The first prize = 4($200) = $800
