Answer:
-2 or -14/7 (they're the same)
Step-by-step explanation:
- Write it out:
- Simplify. It should now look like this:
- Turn -3 2/7 into an improper fraction. It should now look like this: -19/7
- Add:
I hope this helps!
Can you possibly upload a picture?
this formatting is very confusing
Answer: w<-9 With the line underneath
Step-by-step explanation:
Answer:
1st one
Step-by-step explanation:
You're trying to find constants

such that

. Equivalently, you're looking for the least-square solution to the following matrix equation.

To solve

, multiply both sides by the transpose of

, which introduces an invertible square matrix on the LHS.

Computing this, you'd find that

which means the first choice is correct.