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# Algebra I Warm-ups

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### Algebra I Warm-ups

1. 1. Algebra I Warm-Up 1
2. 2. 1. A model airplane has a ratio of 64:3. If the actual plane has a length of 16 ft, what is the length of the model of this plane?
3. 3. 2. If the following figure is rotated 90 ° clockwise, what is the location of B’? <ul><li>(6,-2) </li></ul><ul><li>(2,-6) </li></ul><ul><li>(-6,-2) </li></ul><ul><li>(-2,6) </li></ul>
4. 4. <ul><li>3. Jerome is planning to paint the walls of a game room? The room measures 16 ft by 22 ft and has 8 ft ceilings. He will put 2 coats of paint on these walls. Each gallon of paint will cover 400 square feet. How many gallons of paint will he need? </li></ul><ul><li>2 </li></ul><ul><li>3 </li></ul><ul><li>4 </li></ul><ul><li>5 </li></ul>
5. 5. 4. If this cylindrical vase were filled with water, approximately how much water would it contain? 4 in. 10 in.
6. 6. 5. If this pattern is continued, how many tiles will be in the fifth term? <ul><li>13 </li></ul><ul><li>15 </li></ul><ul><li>16 </li></ul><ul><li>21 </li></ul>
7. 7. 6. Triangle ABC is a dilation of triangle DEF, shown on the graph below. What is the scale factor used to create triangle ABC?
8. 8. 7. If the following figure is translated left 5 and down 2, what are the coordinates of B’? <ul><li>(5,-2) </li></ul><ul><li>(1,4) </li></ul><ul><li>(1,0) </li></ul><ul><li>(11,0) </li></ul>
9. 9. <ul><li>A rectangle is 3 inches long and 4 inches wide. If both dimensions are doubled, what is the new area? </li></ul><ul><li>A. 12 sq. in. </li></ul><ul><li>B. 28 sq. in. </li></ul><ul><li>C. 24 sq. in. </li></ul><ul><li>D. 48 sq. in. </li></ul>
10. 10. 9. Which of the following best shows x < -1.5, and y > 2? <ul><li>L </li></ul><ul><li>M </li></ul><ul><li>N </li></ul><ul><li>P </li></ul>
11. 11. 10. A rectangle is 3 inches long and 4 inches wide. If both dimensions are doubled, what is the new perimeter? A. 12 in. B. 14 in. C. 28 in. D. 56 in.
12. 13. A1warmup1 <ul><li>C, obj 9, 8.3B </li></ul><ul><li>B, obj 6, 8.6B </li></ul><ul><li>C, obj 10, 8.14A </li></ul><ul><li>B, obj 8, 8.8C </li></ul><ul><li>C, obj 10, 8.16A </li></ul><ul><li>C, obj 6, 8.6A </li></ul><ul><li>C, obj 6, 8.6A </li></ul><ul><li>D, obj 8, 8.10A </li></ul><ul><li>A, obj 6, 8.7D </li></ul><ul><li>C, obj 8, 8.10A </li></ul>