Writing Linear Equations & Parallel & Perpendicular Lines Review

Writing Linear Equations & Parallel & Perpendicular Lines Review

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to find the midpoint between two points (x1, y1) and (x2, y2)?

Back

Midpoint = (\frac{x1 + x2}{2}, \frac{y1 + y2}{2})

2.

FLASHCARD QUESTION

Front

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

Back

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

3.

FLASHCARD QUESTION

Front

How do you find the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = \frac{y2 - y1}{x2 - x1}.

4.

FLASHCARD QUESTION

Front

What is the relationship between the slopes of parallel lines?

Back

Parallel lines have the same slope.

5.

FLASHCARD QUESTION

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are negative reciprocals of each other.

6.

FLASHCARD QUESTION

Front

If a line has a slope of 2, what is the slope of a line that is perpendicular to it?

Back

-\frac{1}{2}.

7.

FLASHCARD QUESTION

Front

Write the equation of a line in slope-intercept form with a slope of 3 and a y-intercept of -4.

Back

y = 3x - 4.

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