Download Mathematics I. This study guide

Mathematics I EOCT
UNIT 2: ALGEBRA INVESTIGATIONS
EOCT Test Prep Items
1) A train travels at a rate of (4 x + 5) miles per hour. How many miles can it travel at that
rate in ( x − 1) hours?
A.
B.
C.
D.
3 x − 4 miles
5 x − 4 miles
4 x 2 + x − 5 miles
4 x 2 − 9 x − 5 miles
[Key: C]
2) Taylor and Susan each have a box that is in the shape of a cube. The edges of Taylor’s
box are each x cm in length. The edges of Susan’s box are 4 cm longer than on Taylor’s
cube. What binomial expansion represents the volume of Susan’s box?
A. ( x 2 + 8 x + 16) cm3
B. ( x3 + 12 x 2 + 48 x + 64) cm3
C. ( x3 + 768 x 2 + 192 x + 4) cm3
D. ( x 4 + 12 x3 + 96 x 2 + 256 x + 256) cm3
[Key: B]
3) What is the product of the expression represented by the model below?
A. 3x + 11
B. x3 + 30
C. 2 x 2 + 10 x + 36
D. 2 x 2 + 16 x + 30
[Key: D]
38
Copyright © 2010 by the Georgia Department of Education • All Rights Reserved