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Math 8: Chapter 1 Vocabulary
Test Description: Math 8: Chapter 1 vocabulary Absolute value Integers Means of Central Tendency
Instructions: Answer all questions to get your test result.
1) Absolute value
A
A letter used to represent a number
B
a mathematical expression containing a variable, number, and operation
C
All whole numbers and their opposites
D
A numbers distance from zero on a number line
2) An algebraic expression does not include which of the following?
A
a variable
B
an operation
C
a number
D
an equal sign
3) In order to find the median of a set of data, we...
A
Find a number that is much smaller or much larger than the rest
B
Find the number in the middle
C
Find the number shown most frequently
D
Subtract the largest number from the smallest
4) Variable
A
the number seen most frequently in a data set
B
the numbers in a mathematical expression
C
a letter used to represent a number
D
a number's distance from zero on a number line
5) Which shows and example of the Identity Property of Addition
A
1 x 1 =1
B
126 = 126 + 0
C
3 x 0 = 3
D
3 + 4 = 4 +3
6) In order to multiply numbers with the same base, and different exponents, you...
A
keep the base, subtract the exponents
B
multiply the exponents and the base
C
keep the base, add the exponents
D
make the exponents negetive
7) In order to divide numbers with the same base, and different exponents, you...
A
keep the base, divide the exponents
B
keep the base, subtract the exponents
C
keep the base, add the exponents
D
change the sign of the exponent and put it in the denominator of a fraction
8) What is the first step in the order of operations?
A
Exponents
B
Multiply and Divide from left to right
C
Add and Subtract from left to right
D
Work inside the grouping symbols
9) How can we write an algrbraic expression for 5 less than a number (n)
A
n - 5
B
5n
C
5 - n
D
n + 5
10) -7 - (-3)
A
21
B
10
C
-10
D
-4
*select an answer for all questions
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