Simplify the expression: $$20 + 5(3x - 7)$$

The simplified expression is: $$15x - 15$$ .

Solve for x: $$27x - 18 + 13x = 92$$

The solution is: $$x = 2.75$$ .

Solve the equation: $$\frac{7}{5x} = \frac{11}{13x + 3}$$

The solution is: $$x = -0.58$$ .

Solve for x and round to the nearest hundredth: $$20 + 5(3x - 7) = 86$$

The solution is: $$x = 6.73$$ .

What does it mean to solve an equation?

To solve an equation means to find the value(s) of the variable that make the equation true.

A fraction represents a part of a whole and is expressed as $$\frac{a}{b}$$ , where a is the numerator and b is the denominator.

What is the difference between an expression and an equation?

An expression does not have an equality sign, while an equation does.

Rounding is the process of adjusting a number to a nearby specified value, often to make it simpler or to fit a certain precision.

What is an identity in algebra?

An identity is an equation that is true for all values of the variable.

What is a solution set?

A solution set is the set of all values that satisfy an equation.

What does it mean if an equation has no solution?

It means there are no values for the variable that can satisfy the equation.

What is the purpose of simplifying expressions?

Simplifying expressions makes them easier to work with and understand.

Geo Ch 12 Final Review 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

Front

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4.

FLASHCARD QUESTION

Front

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5.

FLASHCARD QUESTION

Front

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The result is: no solution.

6.

FLASHCARD QUESTION

Front

What is the distributive property?

Back

7.

FLASHCARD QUESTION

Front

Define a linear equation.

Back

A linear equation is an equation of the first degree, meaning it has no variables raised to a power greater than one.

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