Your answer is B. 2
This is because to rationalise the denominator, we need to multiply it by (3 - √7), so we get:
(3 + √7)(3 - √7)
3 × 3 = 9
3 × √7 = 3√7
3 × -√7 = -3√7
√7 × -√7 = -7
So all in all you get 9 - 7 which is 2.
I hope this helps!
I think this attachment will help you
The formula of the midpoint of HE:
We have H(0; 0) and E(2a; 2a). Substitute:
Answer:
In my own words:
Definition from search: parallel lines are lines in a plane which do not meet; that is, two straight lines in a plane that do not intersect at any point are said to be parallel.
My definition: Two lines that are equally apart from start to end.
These are / / or | | or = or \ \
PARALLEL LINES
