Use this space for
13 Jack is driving from New York to Florida. The number of hours that he
computations.
drives and the speed at which he drives are inversely proportional.
Which graph could be used to describe this situation if one axis represents
speed and the other represents hours?
y
y
x
x
( 1 )
( 3 )
y
y
x
x
( 2 )
( 4 )
14 What is the length of the altitude of an equilateral triangle whose side
has a length of 8?
(1) 32
(3)
4 3
(2)
4 2
(4) 4
15 What is the third term in the expansion of (3x − 2)
5
?
2
3
(1) 1,080x
(3) 540x
3
3
(2) 270x
(4) 1,080x
[5]
[OVER]
Math. B – Aug. ’09