SET B (MATH)

Question 1

In an ellipse a chord which contains a focus and is in a line perpendicular to the major axis is a:
A. conjugate axis
B. latus rectum
C. focal width
D. minor axis

Answer 1

latus rectum

Question 2

A line that is perpendicular to the y-axis has a slope equal to _______.
A. one
B. infinity
C. indeterminate
D. zero

Answer 2

zero

Question 3

A normal to a given plane is ______.
A. oblique to the plane
B. parallel to the plane
C. perpendicular to the plane
D. lying in the plane

Answer 3

perpendicular to the plane

Question 4

An unlimited sequence of squares are inscribed one within another by joining the midpoints of the sides of each preceding square. If the initial square is 8cm on a side, find the sum of the perimeters of these squares.
A. 16 cm
B. 88.75 cm
C. 128 cm
D. 109.25 cm

Answer 4

109.25 cm

If for AREA, the answer is 128 cm