Use this space for
computations.
7 Alex earned scores of 60, 74, 82, 87, 87, and 94 on his first six algebra
tests. What is the relationship between the measures of central
tendency of these scores?
(1) median < mode < mean
(3) mode < median < mean
(2) mean < mode < median
(4) mean < median < mode
8 The New York Volleyball Association invited 64 teams to compete in
a tournament. After each round, half of the teams were eliminated.
Which equation represents the number of teams, t, that remained in
the tournament after r rounds?
(1) t = 64(r)
0.5
(3) t = 64(1.5)
r
(2) t = 64(– 0.5)
r
(4) t = 64(0.5)
r
9 The expression 9x
2
– 100 is equivalent to
(1) (9x – 10)(x + 10)
(3) (3x – 100)(3x – 1)
(2) (3x – 10)(3x + 10)
(4) (9x – 100)(x + 1)
10 What is an equation of the line that passes through the points
(3,–3) and (–3,–3)?
(1) y = 3
(3) y = –3
(2) x = –3
(4) x = y
[4]
Integrated Algebra – Jan. ’09