Gwarmup23
Algebra TEXAS Style
Geometry
Warm-up 23
Gwarmup23
Algebra TEXAS Style
1. A rectangular box will be divided into two sections, as
shown below.
20 in.
12 in.
X in.
Which expression represents the area of the shaded portion
of this box?
A. 20(12)+12x
B. (20 – x)(12)
C. 20(12+x)
D. (20 – x)(12x)
Gwarmup23
Algebra TEXAS Style
2. In the drawing shown below, ∆ABC is similar to ∆EDC.
Find the approximate value of x.
A
D
205
181
C
X
120
116
B
A. 106
B. 175
C. 309
D. 320
E
Gwarmup23
Algebra TEXAS Style
3. Susanna has an aquarium shaped like a cylinder with
a volume of 2000 cubic inches. If Roxy has an
aquarium, also a cylinder, that has exactly half of all the
dimensions of Susanna’s aquarium, what is its volume?
A. 1000 cubic inches
B. 785 cubic inches
C. 500 cubic inches
D. 250 cubic inches
Gwarmup23
Algebra TEXAS Style
4. Susanna has an aquarium shaped like a cylinder with
a volume of 2000 cubic inches. Roxy has an aquarium,
also a cylinder, that has exactly half of all the dimensions
of Susanna’s aquarium. If the pet store recommends
atleast 120 cubic inches of water for 1 neon, what is the
maximum number of neons that she can put in her
aquarium?
A. 8
B. 4
C. 2
D. 1
Gwarmup23
Algebra TEXAS Style
5. What is the point of intersection for the line that passes
through (-2,-1) and (-1,2) and the line that passes
through (3,0) and (6,2)?
A. (-4,-7)
B. (1,-1.3)
C. (-3,-4)
D. (-1,2)
Gwarmup23
Algebra TEXAS Style
6. In Regi’s College Algebra class, the final grade is
calculated using 55% of the mean of 3 test grades and
45% of the final exam. If Regi’s first 3 test grades are 90,
82, and 87, what is the least he can make on his final
exam to have at least a 90 average, without rounding?
A. 94
B. 95
C. 96
D. Not possible
Gwarmup23
Algebra TEXAS Style
7. If (x,-2) is a solution to 3x – 5y = 12, what is the value of x?
17
A. 
5
2
B.
3
22
C.
3
6
D. 
5
Gwarmup23
Algebra TEXAS Style
8. A spinner is divided into four equal parts, labeled red,
yellow, blue, and green. The results of 10 spins are
shown below in the table. What is the difference
between experimental and theoretical probability of
getting yellow?
1
A.
4
1
B.
20
1
C.
15
3
D.
20
Red
Blue
Color
Tally
Total
Red
||
2
Yellow
||||
4
Blue
|||
3
Green
|
1
yellow
green
Gwarmup23
Algebra TEXAS Style
9. At Movies and More, DVDs can be rented for $3 per
day and video games can be rented for $4 per day.
Which inequality best represents how many DVDs, x, and
video games, y, can be rented today for $20 or less?
A. 3x + 4y ≥ 20
B. 4x + 3y ≤ 20
C. 3x + 4y ≤ 20
D. 4x + 3y ≥ 20
Gwarmup23
Algebra TEXAS Style
10. Which of the following inequalities is equivalent to
4 x  3 y  9 ?
A.
B.
C.
D.
4
y  x3
3
4
y   x3
3
4
y   x3
3
4
y  x3
3
Gwarmup23
Algebra TEXAS Style
Gwarmup23
Algebra TEXAS Style
Geometry Warm-up 23
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
B, obj 2, A.3A
C, obj 8, 8.9B
B, obj 8, 8.10B
C, obj 8, 8.10B
C, obj 4, A.8B
B, obj 9, 8.12A
B, obj 4, A.7B
D, obj 9, 8.11B
C, obj 4, A.7A
D, obj 4, A.7B