Answer:
D
Step-by-step explanation:
Think about it as a t chart:
- 3
- -6
- 12
- -24
The numbers before the dot are your n values. If you plug in 1 for n, you get 3. If you plug in 2 for n, you get -6.
Answer:87.965
Step-by-step explanation calculator . Brainlyest plz
Answer:
Step-by-step explanation:
Given
Required
Find all product of real values that satisfy the equation
Cross multiply:
Subtract 7 from both sides
Reorder
Multiply through by -1
The above represents a quadratic equation and as such could take either of the following conditions.
(1) No real roots:
This possibility does not apply in this case as such, would not be considered.
(2) One real root
This is true if
For a quadratic equation
By comparison with
Substitute these values in
Add 56 to both sides
Divide through by 4
Take square roots
Hence, the possible values of r are:
or
and the product is:
The answer is A and E I hope this helps!!