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Pre-Algebra Course Test (problems: 21 - 40)

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Practice Test Problem List

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Problem 21

What is the simplest form of the expression ?

A.

Correct
B.

Incorrect
C.

Incorrect
D.

Incorrect

Problem 22

What is the simplest form of the expression ?

A.

Incorrect
B.

Incorrect
C.

Correct
D.

Incorrect

Problem 23

What is the multiplicative inverse of ?

A.

Incorrect
B.

Incorrect
C.

Incorrect
D.

Correct

Problem 24

One of the largest US stock market drops occurred on September 7, 2000. On this day, the stock market opened at 2100.24 points and closed at 1810.12 points. What was the approximate percent of decrease?

A. 13.81%

Correct
B. 18.81%

Incorrect
C. 23.84%

Incorrect
D. 28.84%

Incorrect

Problem 25

Parallelograms PQRS and WXYZ are similar. What is the value of x?

A. 1 unit

Incorrect
B. 1.5 units

Incorrect
C. 2 units

Incorrect
D. 3 units

Correct

Problem 26

What number is 47% of 1,000?

A. 53

Incorrect
B. 470

Correct
C. 5300

Incorrect
D. 47,000

Incorrect

Problem 27

What is the value of g that satisfies the proportion ?

A. 60

Correct
B. 70

Incorrect
C. 80

Incorrect
D. 90

Incorrect

Problem 28

What is the value of x in the figure?

A. 85

Incorrect
B. 55

Incorrect
C. 45

Incorrect
D. 30

Correct

Problem 29

If p is parallel to q, what is the value of x?

m4 = 3x + 10 and m5 = x + 50

A. 30

Correct
B. 45

Incorrect
C. 60

Incorrect
D. 75

Incorrect

Problem 30

What is the value of x if x + 20 is complement to x + 10?

A. 10

Incorrect
B. 20

Incorrect
C. 30

Correct
D. 40

Incorrect

Problem 31

What is the sum of the measures of the interior angles of a nonagon?

A. 360

Incorrect
B. 720

Incorrect
C. 1080

Incorrect
D. 1260

Correct

Problem 32

Which of the following numbers is equivalent to the expression ?

A. 16

Incorrect
B. 4

Correct
C. –4

Incorrect
D. –16

Incorrect

Problem 33

The product of five and a number y, is less than –30. What is the value of y that satisfies the inequality?

A. The set of real numbers less than 6.

Incorrect
B. The set of real numbers less than –6.

Correct
C. The set of real numbers greater than 6.

Incorrect
D. The set of real numbers greater than –6.

Incorrect

Problem 34

What is the distance between the two points (5, –3) and (3, 9)?

A.

Correct
B.

Incorrect
C.

Incorrect
D.

Incorrect

Problem 35

What are the coordinates of Q, if the midpoint of is (2, 4) and the coordinates of P are (5, 9)?

A. (7, 13)

Incorrect
B. (–3, –5)

Incorrect
C. (–1, –1)

Correct
D. (7, –5)

Incorrect

Problem 36

The length of a rectangle is 3 times the width and its area is 108 square units. What is the length of the rectangle?

A. 6 units

Incorrect
B. 12 units

Incorrect
C. 15 units

Incorrect
D. 18 units

Correct

Problem 37

If the perimeter of a square is 64 units, what is the area of the square?

A. 300 square units

Incorrect
B. 256 square units

Correct
C. 156 square units

Incorrect
D. 32 square units

Incorrect

Problem 38

What is the area of a circle of diameter 42 cm? Use as an approximation for π.

A. 1386 square centimeters

Correct
B. 1286 square centimeters

Incorrect
C. 1183 square centimeters

Incorrect
D. 1086 square centimeters

Incorrect

Problem 39

The triangle PQR is similar to ΔTSU. What is the missing length x in the triangle TSU?

A. 6 cm

Incorrect
B. 6.5 cm

Incorrect
C. 8.5 cm

Incorrect
D. 9 cm

Correct

Problem 40

Which of the graphs shown represents the solution of the given system of linear inequalities?

y 3x – 3 and y –x + 5

A.

Incorrect
B.

Incorrect
C.

Incorrect
D.

Correct