ACT Prep

English

Mathematics

Bonus

100

1. Snowflakes form from tiny water droplets, following a specific process of chemical bonding as they freeze, which results in a six-sided figure.

A. NO CHANGE B. form, from tiny, water droplets, C. form from tiny, water droplets D. form, from tiny water droplets

100

6. During the snowflake’s descent from Earth’s upper atmosphere, other water vapor molecules bumps into the hexagonal structure.

A. NO CHANGES B. had bumped C. bumped D. bump

100

2. The monthly fees for a single rooms at 5 colleges are $370, $310, $380, $340 and $310, respectively. What is the mean of the monthly fees?

F. $310 G. $340 H. $342 J. $350 K. $380

100

15. This month, Kami sold 70 figurines in 2 sizes. The large figurines sold for $12 each, and the small figurines sold for $8 each. The amount of money he received from the sales of the large figurines was equal to the small amount of money he received from the sales of the small figures. How many large figurines did Kami sell this month?

A. 20 B. 28 C. 35 D. 42 E. 50

100

Reading 11. The greater the pressure from the wind, causes bounds to form quick at this edge than in the rest of the snowflake.

Reading 11. The greater the pressure from the wind, causes bounds to form quick at this edge than in the rest of the snowflake. A. NO CHANGE B. more quickly C. most quickly D. quickest

200

2. The rare “triangular” snowflake, similarly, confounded scientist for years because it apparently defiled the basic laws of chemistry.

F. NO CHANGE G. for example, H. additionally, J. however,

200

7. Bypassing the liquid water phase, those molecules condense directly onto the established hexagonal pattern. If the writer were to delete the underlined portion (adjusting the capitalization as needed), the sentence would primarily lose:

A. an explanation of the process water molecules undergo to change from liquid to vapor to solid. B. a detail that mentions a step some water molecules skip in changing from vapor to solid. C. a visual description of what vapor molecules look like. D. an explanation of how molecules react to various air temperatures.

200

3. On a particular road map, ½ inch represents 18 miles. About how many miles apart are 2 towns that are 2 ½ inches apart on this map?

A. 18 B. 22 ½ C. 36 D. 45 E. 90

200

16. A car accelerated from 88 feet per second (fps) to 220 fps in exactly 3 seconds. Assuming the acceleration was constant, what was the car’s acceleration in feet per second, from 88 fps to 22 fps?

F. 1/44 G. 29 1/3 H. 75 1/3 J. 75 1/3 K. 102 2/3

200

Math 32. What fraction lies exactly halfway between 2/3 and 3/4?

F. 3/5 G. 5/6 H. 7/12 J. 9/16 K. 17/24

300

3. The seemingly triangular shape of those snowflakes suggests that forming through a different process of chemical bonding.

A. NO CHANGE B. the manner in which formation C. which had formed D. that they form

300

8. In 2009, Libbrecht and Arnold’s experiments revealed that triangular snowflakes begin with the same process of chemical bonding and forms a hexagonal shape.

F. NO CHANGE G. were they to form H. if they formed J. form

300

6. Jorge’s current hourly wage for working at Denti Smiles is $12.00. Jorge was told that at the beginning of next month, his new hourly wage will be an increase of 6% of his current hourly wage. What will be Jorge’s new hourly wage?

F. $12.06 G. $12.60 H. $12.75 J. $18.00 K. $19.20

300

21.To get a driver’s license, an applicant must pass a written and a driving test. Past records show that 80% of the applicants pass the written test and 60% of those who have passed the written test pass the driving test. Based on these figures, how many applicants in a random group of 1,000 applicants would you expect to get drivers licenses?

300

37. What is the different between the mean and the median pf the set (3, 8, 10, 15) ?

A. 0 B. 1 C. 4 D. 9 E. 12

400

4. By re-creating snowflake formation, a discovery has revealed to scientists Kenneth Libbrecht and Hannah Arnold the cause of this apparent variation.

F. NO CHANGE G. the discovery of the cause of this apparent variation has been made by scientists Kenneth Libbrecht and Hannah Arnold. H. scientists Kenneth Libbrecht and Hannah Arnold have discovered the cause of this apparent variation. J. the cause of this apparent variation has been discovered by scientists Kenneth Libbrecht and Hannah Arnold.

400

9. The triangular shape is an illusion resulting from on significant addition to the process dust.

A. NO CHANGE B. process is C. process: D. process;

400

7. The first term is 1 in the geometric sequence 1, -3, 9, -27, …. What is the SEVENTH term of the geometric sequence?

A. -243 B.-30 C. 81 D. 189 E. 729

400

29. What is the product of the complex numbers (-3i + 4) and (3i + 4)?

A. 1 B. 7 C. 25 D. -7 +24i E 7+ 24i

400

12. Although these snowflakes appear to have a triangular shape- they actually have a hexagonal pattern.

F.NO CHANGE G. shape, H. shape; J. shape:

500

5. Snowflakes begin to form when water in the atmosphere freezes it causes the water molecules to bond into a hexagonal shape.

A. NO CHANGES B. freezes, causing C. freezes, it causes D. freezes, this causes

500

10. The greater the pressure from the wind, causes bonds to form quick at the edge than in the rest of the snowflake.

F. NO CHANGE G. pressure from the wind, which H. the pressure, as the wind I. pressure from the wind

500

12. The length of a rectangle with area 54 square centimeters is 9 centimeters. What is the perimeter of the rectangle, in centimeters?

F. 6 G. 12 H. 15 J. 24 K. 30

500

31. To make a 750 piece jigsaw puzzle more challenging, a puzzle company incudes 5 extra pieces in the box along with the 750 pieces, and those 5 extra pieces do not fit anywhere in the puzzle. If you buy such a puzzle box, break the seal of the box, and immediately select 1 piece at random, what is the probability that it will be 1 of the extra pieces?

500

13. Such snowflakes offer evidence that even when impurities interfere, the basic laws of chemistry still apply. Which choice most effectively concludes the sentence and the essay?

Reading A. NO CHANGE B. scientists can be certain that a solution to even the most confusing events will be found. C. snowflakes will still fall if atmospheric conditions are favorable. D. snowflakes come in many different shapes and sizes.