How do you evaluate the expression $$-\frac{21}{32}igg(-\frac{5}{12} + \frac{7}{4}igg)$$ ?

The value is $$-\frac{7}{8}$$ .

What is the process to simplify the expression $$21y - 3 + 3y - 6$$ ?

Combine like terms to get $$24y - 9$$ , then factor to get $$3(8y - 3)$$ .

What is the absolute value of a number?

The absolute value of a number is its distance from zero on the number line, always non-negative.

How do you evaluate $$\frac{| -6 - 15 |}{3}$$ ?

First, calculate the absolute value: $$|-21| = 21$$ , then divide by 3 to get 7.

What is the formula for finding the value of n in a linear equation?

Isolate n on one side of the equation using inverse operations.

What does it mean to factor an expression?

Factoring an expression means rewriting it as a product of its factors.

What is the significance of the number 512 in relation to perfect cubes?

512 is significant because it equals $$8^3$$ , making it a perfect cube.

How do you evaluate $$2^3$$ ?

$$2^3 = 2 \times 2 \times 2 = 8$$ .

What is the first step in solving the equation $$8(2n - 3) = 15n - (2n + 9)$$ ?

Distribute the 8 on the left side to get $$16n - 24 = 15n - 2n - 9$$ .

What is the order of operations in mathematics?

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

2024 Pre-Algebra Midterm Flashcards

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15 questions

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1.

FLASHCARD QUESTION

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2.

FLASHCARD QUESTION

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3.

FLASHCARD QUESTION

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4.

FLASHCARD QUESTION

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5.

FLASHCARD QUESTION

Front

Which of the following numbers is a perfect cube: 36, 150, 512, 900?

Back

The perfect cube is 512.

6.

FLASHCARD QUESTION

Front

What is a perfect cube?

Back

A perfect cube is a number that can be expressed as the cube of an integer.

7.

FLASHCARD QUESTION

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