Algebra TEXAS StyleA2warmup30

Algebra 2

Warm-up 30

Algebra TEXAS StyleA2warmup30

1. How many faces, edges, and vertices does a triangular prism have?

A. 6 faces, 10 edges, 6 vertices

B. 5 faces, 9 edges, 7 vertices

C.6 faced, 6 edges, 6 vertices

D.5 faces, 9 edges, 6 vertices

Algebra TEXAS StyleA2warmup30

2. The first 4 pictures of a pattern are shown below. Which expression will generate this pattern?

1 2 3 4

X X X X X X X X X X X X X X X X X X X X

X X X X X X X X X X X X

X X X X X X

X X

A. 6x – 5

B. 2x + 2

C. x(x + 1)

D. 2x(x – 1)

Algebra TEXAS StyleA2warmup30

3. The first 4 pictures of a pattern are shown below. How many x’s will the 6th picture have?

1 2 3 4

X X X X X X X X X X X X X X X X X X X X

X X X X X X X X X X X X

X X X X X X

X X

A. 30

B. 31

C.36

D.42

Algebra TEXAS StyleA2warmup30

4. How many faces, edges, and vertices does the 3-D figure have?

A. 11 faces, 20 edges, 11 vertices

B. 15 faces, 26 edges, 11 vertices

C.11 faces, 21 edges, 10 vertices

D.10 faces, 20 edges, 10 vertices

Algebra TEXAS StyleA2warmup30

5. The end of the tent shown below, is an equilateral triangle. How long will the support rod be?

Support rod

8 ft

ftD

ftC

ftB

ftA

24.

6.

34.

8.

Algebra TEXAS StyleA2warmup30

10 cm

5 cm

5 cm

x

6. What is the approximate length of the diagonal, x, of the prism shown below?

A. 11.2 cm

B. 12.2 cm

C.15 cm

D.20 cm

Algebra TEXAS StyleA2warmup30

x

x

3x

7. What is the area of the shaded rectangle in the picture shown below?

3.

3.

2.

3.

3

2

2

2

xD

xC

xB

xA

Algebra TEXAS StyleA2warmup30

110°

3.2 cm

8. The knob on the dryer shown below has a radius of 3.2 cm. The cotton setting goes through a rotation of 110°. What is the approximate length of the arc traveled by the knob through the entire cotton setting?

A. 6.1 cm

B. 9.8 cm

C.10 cm

D.20.1

Algebra TEXAS StyleA2warmup30

9. What is the center of this circle?

A. (-3.5,1)

B. (-2.5,1.5)

C. (-3.5,1.25)

D. (-7,2.5)

Algebra TEXAS StyleA2warmup30

10. What is the approximate radius of this circle?

A. 9.8

B. 4.9

C.5.5

D.6.5

Algebra TEXAS StyleA2warmup30

2 ft1.5 ft

7 ft

11. Jared bought a storage locker for his fishing gear. He is going to attach it to the wall and then paint only the exposed faces, the front, both sides, and the top. What surface area is he painting?

A. 38 ft2

B. 41 ft2

C.55 ft2

D.27.5 ft2

Algebra TEXAS StyleA2warmup30

8 in

6 in

18 in

r = 2 in.

12. Brianna has an rectangular glass prism that is shown below. The water level is 10 inches high. She is going to place metal spheres in this prism until the water spills over. What is the maximum number of spheres she can put in until the water spills over?

A. 9

B. 11

C.22

D.14

Algebra TEXAS StyleA2warmup30

Algebra TEXAS StyleA2warmup30

A2 warm-up 30

1. D, obj 7, G.9D2. C, obj 2, A.3B3. D, obj 2, A.2D4. A, obj 7, G.9D5. B, obj 6, G.5D6. B, obj 6, G.4A7. B, obj 6, G.4A8. A, obj 8, G.8B9. C, obj 7, G.7C10. B, obj 7, G.7C11. A, obj 7, G.8D12. B, obj 10, 8.14C