Pre-algebra Chapter 4 Test
20 Questions
| Total Attempts: 85
Factors and Fractions
Questions and Answers
- 1.The number 64 is divisible by which of the following?
- A.
3
- B.
5
- C.
6
- D.
4
- 2.In the expression (-4)^2 , -4 is called the ___________?
- A.
Product
- B.
Power
- C.
Exponent
- D.
Base
- 3.List the factors of 42.
- 4.Find y for y=x^2 - 15 if x = 6.
- A.
21
- B.
49
- C.
-3
- D.
51
- 5.Factor 144 completely.
- 6.What is a monomial?
- 7.Write the ratio of 24 to 96 in simplest form.
- A.
12/48
- B.
1/4
- C.
4/1
- D.
3/12
- 8.How would 9.3 X 10^-7 be written in standard form?
- A.
93,000,000
- B.
930,000,000
- C.
.00000093
- D.
.000000093
- 9.Find the GCF of 3x^2y and 15xy.
- A.
3xy^2
- B.
3x^2y
- C.
3xy
- D.
3x^2y^2
- 10.Evaluate y^-5 if y = -2
- A.
32
- B.
-1/32
- C.
1/32
- D.
-32
- 11.Factor the expression 48s^3t^2 + 12st
- A.
4st
- B.
12st
- C.
12s^3t^2
- D.
4s^3t^2
- 12.What is a prime number?
- 13.What is a composite number?
- 14.Write the prime factorization of 300.
- 15.What is the quotient of (42/-6) (g^8/g^0)
- A.
7g^7
- B.
-7g^7
- C.
7g^8
- D.
-7g^8
- 16.Write using scientific notation: .000546
- 17.Use positive exponents .1
- A.
10
- B.
1/10
- C.
1^0
- D.
1
- 18.Write fraction in simplest form 42xyz^3/49xy
- 19.Is 243 divisible by 2,3,4,5,6,9,10?
- 20.Evaluate n^0 + 2n^3p^0 - 3m^1 when m = 3, n = 2, p = -4.
- A.
8
- B.
-9
- C.
-73
- D.
0
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