ACT Math Practice Test 15
Bộ sưu tập: Tuyển Tập Bộ Đề Thi Đại Học Hoa Kỳ (ACT) - Có Đáp Án Chi Tiết
Số câu hỏi: 20 câuSố mã đề: 1 đềThời gian: 1 giờ
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In the figure below, what is the measure of ∠α?
20◦
55◦
70◦
75◦
110◦
If x = 3yz2, what is y in terms of x and z?
3xz2
(1⁄3)xz2
A rectangular garden has a length of x and a width of y. The garden has its length reduced by 3 feet and its width extended by 2 feet. What is the area of the new garden?
x + y
(x − 3)(y − 2)
(x + 3)( y + 2)
(x − 3)(y + 2)
(x + 3)( y − 2)
In the standard (x, y) coordinate plane, if the x-coordinate of each point on a line is 5 more than half the y-coordinate, what is the slope of the line?
−5
−1⁄2
1⁄2
2
5
In the parallelogram PQRS shown below, PS is 7 centimeters long. If the parallelogram’s perimeter is 40 centimeters, how many centimeters long is PQ?
49
21
13
10
5.7
Which of the following is a value of r for which (r + 2)(r − 3) = 0?
6
0
−2
−3
−6
Bus X travels 40 miles per hour for 2 hours; Bus Y travels 60 miles per hour for 11⁄2hours. What is the difference, in miles, between the number of miles traveled by Bus X and the number of miles traveled by Bus Y?
10
20
50
80
90
Contributions to the school dance fund are made by each of 4 student groups according to the table below.
What is the average dollar amount of the contributions made by the 4 student groups?
$110.00
$55.00
$35.00
$27.50
$22.50
To keep up with rising costs, a carpenter needs to increase his $30.00 per hour rate by 18%. What will be his new hourly rate?
$30.18
$31.80
$35.40
$38.00
$48.00
One foot is equivalent to approximately 0.3048 meters.If a building is 65-feet long, what is the length of the building in meters, to the nearest tenth?
19.8
31.1
65.3
198.1
213.3
In the circle shown below, C is the center and lies on segments and . Which of the following statements is NOT true?
∠BAC measures 70◦
is parallel to
≅
∠BCE ≅ ∠DCF
≅
What are the values for a that satisfy the equation (a + y)(a + z) = 0?
−y and −z
−y and z
−yz
y and −z
y and z
−3
−2
0
2
9
A system of linear equations is shown below.
4y = 3x + 12
−4y = −3x − 8
Which of the following describes the graph of this system of linear equations in the standard (x, y) coordinate plane?
Two parallel lines with negative slope
Two parallel lines with positive slope
A single line with negative slope
A single line with positive slope
Two perpendicular lines
If x2 = 36 and y2 = 81, which of the following CANNOT be the value of x + y?
−15
−3
0
3
15
A survey is conducted among 700 high-school students to see who their favorite college basketball teams are. If 250 students like the Hawks, 200 students like the Vikings, 50 students like the Bears, and the remaining students like the Warriors, approximately what percentage of the 700 high school students answered that the Warriors were their favorite team? (round to the nearest tenth of a percentage point)
14.3%
28.6%
42.9%
56.2%
78.6%
Which of the following is a value of n that satisfies logn64 = 2?
4
6
8
12
32
Reduce to its simplest terms.
x4y9z2
x2y12z2
In the standard (x, y) coordinate plane, if a square has the vertices (−2,−3), (2,−3), and (2,1), what is the set of coordinates for the final vertex?
(2,−1)
(1,−2)
(−1,2)
(−2,−1)
(−2,1)
Which of the following is the product of (3x2 − 1)(x2 − 4)?
3x4 + 13x2 + 4
3x4 + 5
3x4 − 13x2 + 4
3x4 − 12x2 + 4
3x4 + 12x2 + 4
1 mã đề 20 câu hỏi
1 mã đề 20 câu hỏi
1 mã đề 20 câu hỏi
1 mã đề 20 câu hỏi
1 mã đề 20 câu hỏi