End of the Year Test (Accel 7)

Jill wants to find out which sport is the most popular among the students at her school. Which sampling method should Jill use if she wants the results to be representative of the entire student population?

• She should ask the first fifteen students who enter the cafeteria one day.

• She should ask every third student who arrives to school one day.

• She should ask all the students who play on a sports team.

• She should ask all the students in her gym class.

Between which two integers would √15 lie?

• 14 and 16

• 3 and 4

• 15 and 16

• 7 and 8

A rectangle has vertices (-5, 6), (-1, 6), (-1, 3), and (-5, 3). It is first dilated by the rule (x, y) → (7x, 7y) and then translated 10 units down. What are the coordinates of the image?

• (-35, 32), (-7, 32), (-7, 11), (-35, 11)

• (-45, 42), (-17, 42), (-17, 21), (-45, 21)

• (-105, 42), (-77, 42), (-77, 21), (-105, 21)

• (-35, -28), (-7, -28), (-7, -49), (-35, -49)

Anez is arranging chairs in a large lecture room to accommodate 121 people. She wants to arrange the chairs so that there are the same number of rows as there are chairs in each row. How many chairs should she put in each row?

• 9

• 10

• 11

• 12

Seung has a wooden block in the shape of a square pyramid as shown below.

• 2

• 3

• 4

• 8

Lyla is playing a game in math class where the students describe a number they are thinking of and the class uses clues to determine which type of number it is. Lyla tells her class that she is thinking of a positive number with infinitely many nonrepeating digits after the decimal point. Which type of number is Lyla thinking of?

• whole

• integer

• rational

• irrational

The points (1, -3) and (-2, 6) are on a line. What is the equation of this line?

• y = -3x

• y = x + 8

• y = x - 4

• y = -3x + 6

Which statement explains how to determine if triangle ABC is similar to triangle RST?

• The triangles are similar because angles S and B are congruent.

• The triangles are similar because two pairs of angles are congruent.

• The triangles are not similar because only angles S and B are congruent.

• The triangles are not similar because only two pairs of angles are congruent.

The dot plots show two different random samples of the number of lunches purchased in a month by some seventh grade students. Which statement is BEST supported by the data?

• The difference in the means is about 0.5 times the mean absolute deviation of Sample A.

• The difference in the means is about 0.8 times the mean absolute deviation of Sample B.

• The difference in the means is about 2 times the mean absolute deviation of Sample B.

• The difference in the means is about 2.8 times the mean absolute deviation of Sample A.

An astronomer wrote the distances from Earth to two different stars in scientific notation.

• Distance from Earth to star A = 4 × 10¹³

• Distance from Earth to star B = 8 × 10¹⁵

About how many times farther from Earth is star B than star A?

• 2

• 10

• 100

• 200