Mathematics Flashcard

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•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Which of the following is an example of a rational number? Options: √50, π, 2/3, -√50
Back
2/3 is a rational number because it can be expressed as a fraction of two integers.
2.
FLASHCARD QUESTION
Front
Which property of equality allows you to replace a variable with its equivalent expression? Options: Substitution Property of Equality, Addition Property of Equality, Multiplication Property of Equality, Division Property of Equality
Back
The Substitution Property of Equality allows you to replace a variable with its equivalent expression.
3.
FLASHCARD QUESTION
Front
Solve for x in the equation: 7/(x-8) = 3/x. Options: x = 4, x = 7, x = 6, x = 5
Back
x = 4 is the solution to the equation.
4.
FLASHCARD QUESTION
Front
Translate the statement: "Five less than the product of a number and 3 is 14." Options: 3x - 5 = 14, 5 - 3x = 14, 3x + 5 = 14, 5x - 3 = 14
Back
The correct translation is 3x - 5 = 14.
5.
FLASHCARD QUESTION
Front
Name the property that justifies the statement: 5x + 1 = 1 + 5x. Options: Commutative Property of Addition, Associative Property of Addition, Distributive Property, Identity Property of Addition
Back
The property is the Commutative Property of Addition.
6.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.
7.
FLASHCARD QUESTION
Front
What is the Substitution Property of Equality?
Back
The Substitution Property of Equality states that if two values are equal, one can be substituted for the other in any expression.
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