Answer:
C
Step-by-step explanation:
Calculate AB using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = A(- 1, - 3) and (x₂, y₂ ) = B(11, - 8), thus
AB =
=
= = = 13 → C
Answer:
3
Step-by-step explanation:
The distance from one focus, to any point on the ellipse and then to the other focus = length of major axis
So, 10 + dashed line = 13
Therefore, dashed line = 13 - 10 = 3
Answer:
×
Step-by-step explanation:
Using the rule of exponents
× ⇔
Given
, then
× = = =