MATH 4109 EXAM 2 EXAM WITH CORRECT ACTUAL QUESTIONS
AND CORRECTLY WELL DEFINED ANSWERS UPDATED REVIEW
2026/27
What is a chord of a circle?
A line segment that intersects a circle in two points.
In the ptolemaic model of the universe, the equant is the
center of the epicycle that moves around the earth.
False
Why did john napier invent logarithms?
To make computation with large numbers less tedious.
According to one of the principles in the copernican model,
what is at the center of the moon's orbit?
The earth
What is the base in common logarithms?
10
, What is the heavenly body that is at the center of the
copernican model of the universe?
The sun
The ptolemaic model of the universe is a heliocentric model.
False
Who was the first astronomer to put forward the theory that
the sun is at the center of the universe?
Aristarchus of samos
Who wrote the mathematical text, almagest?
Ptolemy
According to kepler's first law, what is the shape of planetary
orbits around the sun?
Ellipse
Who was the first mathematician to solve a
maximum/minimum problem?
Pierre de fermat
AND CORRECTLY WELL DEFINED ANSWERS UPDATED REVIEW
2026/27
What is a chord of a circle?
A line segment that intersects a circle in two points.
In the ptolemaic model of the universe, the equant is the
center of the epicycle that moves around the earth.
False
Why did john napier invent logarithms?
To make computation with large numbers less tedious.
According to one of the principles in the copernican model,
what is at the center of the moon's orbit?
The earth
What is the base in common logarithms?
10
, What is the heavenly body that is at the center of the
copernican model of the universe?
The sun
The ptolemaic model of the universe is a heliocentric model.
False
Who was the first astronomer to put forward the theory that
the sun is at the center of the universe?
Aristarchus of samos
Who wrote the mathematical text, almagest?
Ptolemy
According to kepler's first law, what is the shape of planetary
orbits around the sun?
Ellipse
Who was the first mathematician to solve a
maximum/minimum problem?
Pierre de fermat
