ACT Math Practice Test 13
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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What is the y-coordinate of the point in the standard (x,y) coordinate plane at which the 2 lines y = x⁄2 + 3 and y = 3x − 2 intersect?
5
4
3
2
1
When the choir is arranged in rows of 5 people each, the last row is one person short. When the choir is arranged in rows of 6 people each, the last row is still one person short. What is the least possible number of people in the choir?
29
30
56
60
99
The hypotenuse of the right triangle ABC shown below is 17 feet long. The cosine of angle C is 3⁄5. How many feet long is the segment AC?
6
10.2
12
15
28.3
After excavating a lot, workers removed an estimated 7,000 cubic yards of dirt from the area. If this dirt were spread in an even layer over an empty lot with dimensions 30 yards by 64 yards, about how deep, in yards, would the layer of dirt be?
Less than 1
Between 1 and 2
Between 2 and 3
Between 3 and 4
More than 4
For the right triangle ΔABC shown below, what is sin C?
a⁄b
a⁄c
b⁄a
c⁄b
c⁄a
What is the area, in coordinate units, of the triangle in the figure below?
4.5
9.0
10.0
12.5
20.0
A shoe store charges $39 for a certain type of sneaker. This price is 30% more than the amount it costs the shoe store to buy one pair of these sneakers. At an end-of-theyear sale, sales associates can purchase any remaining sneakers at 20% off the shoe store’s cost. How much would it cost an employee to purchase a pair of sneakers of this type during the sale (excluding sales tax)?
$31.20
$25.00
$24.00
$21.84
$19.50
If the volume of a cube is 64, what is the shortest distance from the center of the cube to the base of the cube?
2
4
2√4
16
What is the slope-intercept form of 9x + 3y − 6 = 0?
y = 9x − 6
y = 3x + 2
y = 3x − 2
y = −3x + 2
y = −9x + 6
If nx · n8 = n24 and (n6)y = n18, what is the value of x + y?
7
9
12
19
27
In the figure below, ABCD is a trapezoid. Point E lies on line AD, and angle measures are as marked. What is the measure of angle BDC?
25°
30°
45°
55°
100°
The average of 7 consecutive numbers is 16. What is the sum of the least and greatest of the 7 integers?
13
14
16
19
32
A circle is circumscribed within a square with sides of 12 feet, as shown below. What is the area of the circle, to the nearest square foot?
144
113
72
12π
3π
When x is divided by 7, the remainder is 4. What is the remainder when 2x is divided by 7?
1
4
5
7
8
The product of two integers is between 137 and 149. Which of the following CANNOT be one of the integers?
15
13
11
10
7
In the (x, y) coordinate plane, what is the y-intercept of the line −9x − 3y = 15?
−9
−5
−3
3
15
In the figure below, = . If a = 40◦, than =?
9.50
8.75
7.75
6.25
5.50
In the figure below, the perimeter of the triangle is 12+4√3 inches. What is the value of x, in inches?
2
4
6
8
12
For all pairs of real numbers M and N where M = 6N + 5, N = ?
M⁄6 − 5
M⁄5 + 6
6M + 5
Points B and C lie on segment AD as shown below. Segment AD is 32 units long, segment AC is 23 units long, and segment BD is 27 units long. How many units long, if it can be determined, is segment BC?
21
18
9
4
Cannot be determined from the given information.
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