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Grade 8 honors review- Algebra 1 Flashcards | StudBud
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Grade 8 honors review- Algebra 1
Grade 8 honors review- Algebra 1
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A #math #quiz for #grade8 #honors #Algebra1
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23 cards
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Questions
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Answers
1
The word
variable
means....
A symbol, often a letter, that represents an unknown value.
A probable number represented by the letter "x".
A random letter or number that has an equivalent of 10.
An unknown value represented by a random number.
2
What are two ways to solve percent of error?
proportion, equation
fraction, algebraiclly
proportion, algebraically
fraction, equation
3
Next section: Chapters 2 and 3. Click either choice to move on.
Move on
Move on but in blue
4
A correct example of a
perfect square
(
the product of a rational number multiplied by itself
)..
√30 = 5
√47 = 7
√625 = 26
√169 =13
5
Solve:
2 + a÷4= -1
a=-23
x = -36
x=32
x= -12
6
which graph is correct for the equation: x is less than 360 (x < 360 )
3
2
1
4
7
That's all for the vocabulary portion! Click either choice to move on.
continue
continue
8
What is the
opposite
of 8? Is this called
additive inverse
, or
inverse operations
?
4, additive inverse
-8, additive inverse
8, inverse operations
4, inverse operations
9
The word
exponent
means...
The number of times the base will be multiplied. ( 55, 67)
The number that will be multiplied by itself. (55, 67)
10
An
irrational number
is...
A number that repeats but does not terminate. (.3*repeating)
A number that terminates but does not repeat. (1.2345)
A number that is both non-repeating and non-terminating. (π)
A number that both repeats and terminates. (3.33333334)
11
The word
quantity
means...
The volume of a liquid.
The number of objects in a math sentence.
The amount of something that has volume.
Anything that can be measured or counted.
12
Deductive reasoning
is...
Using the process of elimination to find an answer.
Knowing how to deductanswers that are wrong.
The process of guess and test when you estimate.
The process of reasoning logically from given facts.
13
What is an
inequality?
A math sentence that uses an inequality symbol to solve it.
A math sentence that uses an equality symbol to compare it.
A math sentence that uses an inequality symbol to compare.
A math sentence that uses an equality symbol to solve it.
14
What is
42% of 78?
32.76
32
3.276
33
15
The term
numerical equation
means...
A mathematics equation with numbers and signs, no variables.
A random string of numbers and letters.
A number sentence with all numbers that are rational.
A mathmatical equation that includes variables.
16
First Section: Chapter One vocab. Click either choice to move on.
Continue
Continue
17
Solve
: (x-2+6) ÷ 2 =12
x=4
x=8
x= 16
x= 18
18
The term
algebraic equation
means....
A mathematical phrase that includes one or more variable.
A mathematical phrase that includes no variables.
A sequence of random numbers and signs
An algebraic sentence that includes only variables and signs
19
What percent
of 32 is 40
132 = x
125 = x
32 = x
120 = x
20
The word
power
means...
Divided into a base and an exponent. (52, 542, 54, 603)
The perfect square of a number. (√64 = 8, √49 = 7)
The strength of a number in a math sentence.
I don't know!
21
If a window is
estimated
to be 5ft x 8ft, and it is 4ft x 8ft, what is the
percent of error?
20%
50%
25%
22
The word
base
means...
The number of times the power will be multiplied. ( 55, 67)
The number that will be multiplied by itself. (55, 67)
23
What is the solution of:
-8x - 5 + 3x = 7 + 4x - 9 ?
x = 3
x = 3/1
x = 1/3
x = 1
