The quadratic clearly has two real zeros, two places where it crosses the x axis. That corresponds to a positive discriminant.
Answer: positive
5/10 = 1/2
2/4 = 1/2
so 1/2 + 1/2 = 2/2 = 1
answer
1
Answer:
x = 9 and x = -1
Step-by-step explanation:
This equation should be written all on one line:
2(x - 4)^2 = 50
using " ^ " to denote exponentiation.
Dividing both sides by 2 yields
(x - 4)^2 = 25
We must solve for x - 4, and then for x alone:
Taking the square root of both sides, we get:
x - 4 = ±5
which yields two separate solutions: x = 9 and x = -1
Hello!
Subtract the $10 discount first:
49.98 - 10 = 39.98
Next, divide this price in 2 because 50% means half off:
39.98 / 2 = 19.99
So, the total cost of the jeans, after 2 discounts have been applied, is $19.99.
