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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use the least common multiple or greatest common factor to solve the problem.
1) Bob's frog can travel 5 inches per jump, Kim's frog can travel 9 inches, and Jack's frog can travel
13 inches. If the three frogs start off at point 0 inches, how many inches will it be to the next
point that all three frogs touch?
D) 585 inches
A) 45 inches
B) 117 inches
C) 27 inches
Find all the factors of the number.
2) 28
A) 1, 2, 7, 14, 28
C) 1, 2, 4, 7, 8, 14, 28
1) _______
2) _______
B) 1, 2, 4, 7, 14, 28
D) 2, 7, 14, 28
Provide the appropriate response.
3) Find the least positive number divisible by two primes.
C) 6
A) 4
B) 2
3) _______
D) 3
4) Find the least number divisible by each natural number less than or equal to 10.
B) 2520
A) 30,240
C) 100
D) 3,628,800
Find all the factors of the number.
5) 66
A) 1, 3, 11, 22, 33, 66
C) 1, 2, 3, 4, 11, 16, 22, 33, 66
Identify the number as either prime or composite.
6) 100
A) Composite
4) _______
5) _______
B) 1, 2, 3, 9, 11, 22, 33, 66
D) 1, 2, 3, 6, 11, 22, 33, 66
6) _______
B) Prime
Decide whether or not the first number is divisible by the second.
7) 431,370; 10
B) Yes
A) No
7) _______
Find the prime factorization of the number, and write it in exponent form.
8) 365
A) 5 × 73
B)
C)
× 73
D) 5 × 71
Find the GCF of the numbers.
9) 120, 90
A) 10
D) 30
8) _______
9) _______
B) 6
C) 15
Find all the factors of the number.
10) 84
A) 1, 2, 3, 4, 6, 7, 12, 14, 21, 42, 84
C) 1, 2, 3, 4, 7, 14, 21, 28, 42, 84
10) ______
B) 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 21, 28, 42, 84
D) 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Determine whether the statement is true, false, or sometimes true.
11) If x is positive and y = -x,
then xy is negative.
A) True
B) Sometimes true
11) ______
C) False
Compute.
12)
12) ______
A) -128
B) 128
C) -256
D) 64
Determine whether the statement is true, false, or sometimes true.
13) If x is positive and y = -x,
then y > 0.
A) Sometimes true
B) False
Use the pattern to find the missing number.
14) 7, 10, 13, 16, 19, ?
B) 22
A) 26
13) ______
C) True
14) ______
C) 25
D) 21
Solve the equation.
15) 17 = -27 + n
A) -10
B) -44
C) 44
D) 10
Evaluate the expression.
16) -17n, for n = 12
A) 187
B) -204
C) -216
D) -187
15) ______
16) ______
Compute.
17)
17) ______
A) 1
Perform the computation.
18) -3 + ( -20)
A) -23
B) 5
C) -1
D) -5
B) 23
C) -17
D) 17
18) ______
Compute.
19)
19) ______
A) -16
B) -32
Tell which integer corresponds to the situation.
20) $ 132 profit
A) 132
C) 8
D) 16
20) ______
B) -132