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Prereading Activity Flashcards | StudBud
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Prereading Activity
Prereading Activity
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Answers
1
How do you create the reciprocal of a number?
Swap the deminator with the number 1
Swap the numerator and the denominator
Change the fraction into a decimal
Change the sign
2
What equation best represents this balanced scale?
2x=6y
x=x+y
x=x+y
2 = 6
3
What is a mathematical property?
A mathematical law that is always true
A mathematical law that is always false
Something a mathematician owns
The location of a pie shop
4
What is the recipricol of \frac{1}{2} ?
\frac{1}{4}
-\frac{1}{2}
2
1
5
Two things are equivalent if they are
not
equal.
False
True
6
Inverse operations
undo
each other. What is the inverse operation of addition?
Subtraction
Division
Addition
Multiplication
7
What are the coefficients in the expression 3x + 5y + 7?
3, 5 and 7
x
3 only
3 and 5
8
If the product of two nonzero numbers is 1, they are called
Identities
Reciprocals
Solutions
Inputs
9
Use mental math to find the solution: 3x = 30
10
- 10
15
-15
10
A
solution
is a value that when substituted for the variable in an equation makes...
no sense
the sides of the equation unequal
the equation false
the equation true
11
Equivalent equations have the same solution.
False
True
12
Use mental math to find the solution: x - 5 = 15
20
15
- 10
10
13
If you were to add 2 more triangles to the left, what would happen?
The scale would break
The scale would go down on the right
The scale would go down on the left
The scales would still be balanced
14
If you were to add 2 more triangles to
both
sides, what would happen?
The scale would go down on the left
The scale would break
The scale would go down on the right
The scales would still be balanced
