Which is the equation of a hyperbola with directrices at y = ±2 and foci at (0, 4) and (0, −4)?
A) x squared over 8 minus y squared over 16 equals 1
B) y squared over 16 minus x squared over 8 equals 1
C) x squared over 8 minus y squared over 8 equals 1
D) y squared over 8 minus x squared over 8 equals 1
Answers: 3
Geography, 22.06.2019 08:30
Which of the following countries has declared itself nuclear free
Answers: 1
Geography, 24.06.2019 01:30
What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.
Answers: 1
Geography, 24.06.2019 15:30
All material in the universe that has mass and occupies space is called
Answers: 2
Geography, 24.06.2019 20:50
Monk’s mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?
Answers: 1
Which is the equation of a hyperbola with directrices at y = ±2 and foci at (0, 4) and (0, −4)?
English, 14.11.2020 03:30
Mathematics, 14.11.2020 03:30
English, 14.11.2020 03:30
Arts, 14.11.2020 03:30
Arts, 14.11.2020 03:30
Mathematics, 14.11.2020 03:30
English, 14.11.2020 03:30
English, 14.11.2020 03:30
Chemistry, 14.11.2020 03:30
Mathematics, 14.11.2020 03:30
Social Studies, 14.11.2020 03:30
English, 14.11.2020 03:30