What is the equation of a horizontal line?

The equation of a horizontal line is of the form $$y = b$$ , where $$b$$ is the y-coordinate of any point on the line.

How do you determine if two lines are parallel?

Two lines are parallel if they have the same slope but different y-intercepts.

How do you determine if two lines are perpendicular?

Two lines are perpendicular if the product of their slopes is -1 (i.e., $$m1 * m2 = -1$$ ).

Write the slope-intercept equation for a line with a slope of $$\frac{3}{2}$$ and a y-intercept of 4.

The equation is $$y = \frac{3}{2}x + 4$$ .

If a line passes through the point (1, 2) and has a slope of 3, what is the equation of the line?

The equation is $$y - 2 = 3(x - 1)$$ , which simplifies to $$y = 3x - 1$$ .

What is the significance of the slope in real-world contexts?

The slope represents the rate of change, such as speed in a distance-time graph or cost per item in a price graph.

How can you graph a linear equation?

To graph a linear equation, find the y-intercept, plot it on the graph, and use the slope to find another point.

Review Finding Slope and Writing Linear Equations Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the slope-intercept form of a linear equation?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

2.

FLASHCARD QUESTION

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Tags

CCSS.8.EE.B.5

3.

FLASHCARD QUESTION

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that the line rises as it moves from left to right.

Tags

CCSS.8.EE.B.5

4.

FLASHCARD QUESTION

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line falls as it moves from left to right.

Tags

CCSS.8.EE.B.5

5.

FLASHCARD QUESTION

Front

What is the y-intercept of a line?

Back

6.

FLASHCARD QUESTION

Front

How do you write the equation of a line given a slope and a point?

Back

7.

FLASHCARD QUESTION

Front

What is the equation of a vertical line?

Back

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