How do you do the bottom portion of this? It’s my younger sister’s homework . I’m a sophomore and have no idea how to do it!
1 answer:
Hello!
Looking at how you set up the proportion, it is correct.
Although, the multiplication is incorrect.
You are supposed to multiply 68 by 25 which comes out to 1700. Then, you should divide it by 100 to get x = 17.
(divide both sides by 100)
Therefore, you should expect Sparky to catch it 17 times.
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Given:
The equation is
To find:
The number of roots and discriminant of the given equation.
Solution:
We have,
The highest degree of given equation is 2. So, the number of roots is also 2.
It can be written as
Here, .
Discriminant of the given equation is
Since discriminant is , which is greater than 0, therefore, the given equation has two distinct real roots.