Gwarmup29Algebra TEXAS Style Geometry Warm-up 29.

Gwarmup29 Algebra TEXAS Style

Geometry

Warm-up 29


1. Which equation represents the pattern shown below, given the stage number, s, for b number of blocks?

Stage 1 Stage 2 Stage 3

1)1(.

46.

1.

3

125.

2

ssbC

sbC

bbsB

bsA


2. Which of the following shows the point (a,c) dilated by 3?

A. (a+3,c+3)

B. (a+3,c)

C. (3a,c)

D. (3a,3c)


3. The window shown below consists of a square with a triangle top. The area of the square is 16 square feet, the total height of the window is 5.5 feet. What is the perimeter of this window?

A. 15 ft

B. 17 ft

C.20 ft

D.21 ft


4. Triangle ABC is a dilation of triangle DEF, shown on the graph below. What is the scale factor used to create triangle ABC?

3.

2.3

1.

2

1.

D

C

B

A


5. The band students were surveyed. They were asked their chair position for their instrument, and the amount of time they spent practicing. The data was recorded below.

Which two data points could be added to make this scatter plot have a negative correlation?

A. 1st chair 6 hr of practice and 4th chair 6 hr of practice

B. 1st chair 2 hr of practice and 3rd chair 5 hr of practice

C. 2nd chair 2.5 hr of practice and 3rd chair 3.5 hr of practice

D. 1st chair 6 hr of practice 4th chair 1.5 hr of practice


6. For the equation shown on the graph below, x = 3, when y = -4, what is the other value of x when y = -4?

A. 11

B. 12

C.13

D.14


7. For a Geography project, Barb is making a poster of the map of a country, using the scale of ½ inch to represent 1 foot. If the widest point on the map is 1.5 inches, what is the widest point on her poster?

A. 3 in

B. 0.75 ft

C.3 ft

D.6 ft


8. The Senior Class served pancakes last Saturday morning to raise money for their Senior trip. Adult plates cost $6 and child plates cost $4. They sold a total of 141 plates and raised $712. How many adult plates did they sell?


9. What is the slope of the vertical line that passes through (-3,2)?

undefinedD

C

B

A

02

3

3


A

B

C

10. Three squares are joined together to form a right triangle in the drawing shown below.

Square A has an area of 81 in2 and square B has a perimeter of 48 in. What is the perimeter of square C?

A. 60 in

B. 23 in

C.68 in

D.33 in


Geometry Warm-up 29

1. D, obj 1, A.3B2. D, obj 6, 8.6A3. B, obj 10, 8.14B4. B, obj 6, 8.6A5. D, obj 2, A.2D6. C, obj 5, A.9D7. C, obj 7, 8.7B 8. 74, obj 4, A.8B9. D, obj 3, A.6A10. A, obj 7, 8.7C

Gwarmup29Algebra TEXAS Style Geometry Warm-up 29.

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