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Math pre algebra 8th grade Flashcards | StudBud
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Math pre algebra 8th grade
Math pre algebra 8th grade
50 terms
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Answers
1
4 + 9p + 2 + 3p solve
6(1+2p)
1(6+1P)
2(2+4p)
6(2+4p)
2
what is 19% as a decimal
0.019
0.19
19
1.9
3
does 9 – (–12) equal -21?
True
False
4
What is the absolute value?
a number that is not a fraction.
are two numbers located the same distance from zero on the number line.
a whole number.
a number x is its distance from zero on the number line.
5
is 5/8<3/4?
True
False
6
solve a + 7 = –12 + 7
-5
7
5
18
7
what does an algebraic expression mean?
a mathematical expression containing numbers, variables, operational signs
a number
maths signs
a mathematical expression mulitplying
8
increase 40 by 20%
60
54
47
48
9
When you translate word phrases into numerical or algebraic expression is it important that you look for key words?
False
True
10
When you pay quarterly a year is that 4 times a year?
False
True
11
7x – 2x = 25
8
4
5
6
12
Add -3+(5)
-4
-8
8
2
13
What is 8/18 in lowest terms
1/3
3/4
1/2
4/9
14
does –6 – (–19)=13?
False
True
15
Which number is composite
3
7
6
11
16
–8.2 × 12 to the 2 power is 1180.8 ?
True
False
17
what equals 7(-54) ?
67
378
-378
-379
18
Is -62 the opposite of 62?
True
False
19
what does interest mean?
loaning money
saving money
the amount of money paid for the use of money
the amount of money taken out
20
name the property 2 + 4 = 4 + 2
Identity
Associative
Closure
Commutative
21
Name this property (–8 + 4) + 7 = –8 + (4 + 7)
Inverse
Associative
Closure
Commutative
22
1/5 + 2/5
3/5
2/5
4/5
6/5
23
What is a constant
a product of more values
a factor accompanying the variable in a term
a number whose value does not change
a value that changes
24
Add –6 + (–10)
4
-16
0
16
25
–48 ÷ 2(8)
193
-192
196
-192
26
x – 12 = –49 solve
x= -36
x=67
x=-37
x=37
27
what is 1/2×3/4
×3/8
7/64
4/64
9/64
5/65
28
Are the properties of multiplication are similar to the properties of addition?
False
True
29
does n + 6 = 8 + 6= 14?
True
False
30
does -3 go on the negative side on a graph bar or positive on a graph bar?
positive
negative
positive
negative
31
Is there one or more valuables in a term?
True
False
32
is the answer a positive 64 ÷ (–12) ?
True
False
33
solve –5(x + 7)
5x-35
-13x
35x
-5x-35
34
What is the definition of scientific notation
expressed as the product of a number between 1 and 10 and a power of ten.
is a product
The opposite of multiplying
35
does 15 – 8 · 5 equal 25?
True
False
36
does 16 ÷ 4 · 7 equal 28?
False
True
37
simplify 5(8b)
-13b
40b
3b
13b
38
What is 64 in scientific notation
6.4 x 10 5
6.4 x 8 1
6.4 x 10 1
6.4 x 11 1
39
is 62% of 40 24.8?
False
True
40
Is rounding to the nearest ten rounding from 47 to 50?
True
False
41
what is 8 less then 9 written in math terms.
8<9
9<8
42
Does 5(76) = 380?
False
True
43
What does the order of operations mean?
the opposite of multiplication.
the opposite of subtraction
the rules that state the sequence in which the multiple operations be solve
44
what equals 2(-22)?
-44
-20
-54
20
45
Does (a + 34) + 28 = a+62?
True
False
46
is 4 on the positive side on a graph bar?
True
False
47
7a + 6 = 34
3
8
4
12
48
what is c4· c7
c28
c9
c24
c11
49
Does 2(8 + 8) = -32
False
True
50
Does 6 z ≤ 18=3 ?
False
True
