How to isolate a variable in an equation?

Rearrange the equation to get the variable on one side and constants on the other.

What is the standard form of a linear equation?

$$Ax + By = C$$ where A, B, and C are constants.

What does it mean for an equation to be in slope-intercept form?

It is in the form $$y = mx + b$$ , where m is the slope and b is the y-intercept.

How to solve for a variable in terms of others?

Use algebraic manipulation to express the variable as a function of the others.

What is an inequality?

A mathematical statement that compares two expressions using , ≤, or ≥.

How to graph a linear equation?

Find two or more points that satisfy the equation and plot them on a coordinate plane.

What is the significance of the y-intercept?

It is the point where the line crosses the y-axis, indicating the value of y when x = 0.

What is the relationship between parallel lines and their slopes?

Parallel lines have the same slope but different y-intercepts.

What is the relationship between perpendicular lines and their slopes?

Perpendicular lines have slopes that are negative reciprocals of each other.

Pers Fin Test 3, (Linear Eqns & Ineqs) Flashcards

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16 questions

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1.

FLASHCARD QUESTION

Front

Back

2.

FLASHCARD QUESTION

Front

Back

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

Find the slope of the line that passes through (2, -1) and (6, 3)

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Definition of a linear equation

Back

7.

FLASHCARD QUESTION

Front

Definition of slope (m)

Back

The ratio of the rise (change in y) over the run (change in x) between two points on a line.

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