Answer:
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have that the quadratic formula is:
2. To solve the quadratic equation you must substitute the values. So, you have that:
Then you have:
3. Therefore, you obtain the following result:
Answer:
Step-by-step explanation:
It is mandatory (required) to use " ^ " for exponentiation:
(3x – 5)^2 = 4
Taking the square root of both sides, we get
3x - 5 = ±2, or
3x = 5 ±2, or
(a) 3x = 7 => x = 7/3, and
(b) 3x = 3, or x = 1
12 x 2 = 24 (Julio), 24 x 4 = 96 (David).
Answer:
-2.1 , 1.1 , 2.2
Step-by-step explanation:
