5 is correct and 6 is 1/2
Answer:
-0.28
Step-by-step explanation:
Answer:
.
Step-by-step explanation:
To solve this problem, we need to simplify the expression
.
We know that 
Therefore:
.
Answer:

Step-by-step explanation:
To find slope using two points you need to find the difference in x and y. You use 
So, 2-0=2 and 5-(-4)=9. Therefore the slope is 2/9x
Answer:
In mathematics, the dot product or scalar product is an algebraic operation that takes two equal-length sequences of numbers (usually coordinate vectors), and returns a single number. ... Algebraically, the dot product is the sum of the products of the corresponding entries of the two sequences of numbers
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