What does a slope of 0 indicate about a line?

A slope of 0 indicates a horizontal line.

What does an undefined slope indicate about a line?

An undefined slope indicates a vertical line.

How do you find the y-intercept from the equation of a line in slope-intercept form?

The y-intercept is the value of y when x = 0.

If two lines have slopes m1 and m2, when are they perpendicular?

They are perpendicular if $$m1 \times m2 = -1$$ .

What is the general form of the equation of a line?

The general form is $$Ax + By + C = 0$$ .

What is the slope-intercept form of a line?

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

How can you determine if two lines are parallel from their equations?

Two lines are parallel if they have the same slope.

Equation of a Line Flashcards: 15 Cards (9th Grade)

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the slope of a line perpendicular to a line with slope m = 3?

Back

The slope is $-\frac{1}{3}$ .

2.

FLASHCARD QUESTION

Front

What is the y-intercept of the equation y = 6x - 4?

Back

The y-intercept is -4.

3.

FLASHCARD QUESTION

Front

Why do parallel lines never intersect?

Back

Because they have the same slopes.

4.

FLASHCARD QUESTION

Front

What is the slope of a line perpendicular to a line with slope 5?

Back

The slope is $-\frac{1}{5}$ .

5.

FLASHCARD QUESTION

Front

What type of integers are located to the left of the origin on the x-axis?

Back

Negative integers.

6.

FLASHCARD QUESTION

Front

Define slope in the context of a line.

Back

Slope is the measure of the steepness of a line, calculated as the rise over run.

7.

FLASHCARD QUESTION

Front

What is the formula for the slope (m) between two points (x1, y1) and (x2, y2)?

Back

The formula is $m = \frac{y2 - y1}{x2 - x1}$ .

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