What is the equation of a vertical line?

The equation of a vertical line is of the form $$x = a$$ , where $$a$$ is a constant.

How do you determine the slope from the equation $$5x - 12y = 24$$ ?

Rearranging to slope-intercept form gives $$y = \frac{5}{12}x - 2$$ , so the slope is $$\frac{5}{12}$$ .

If a line has a slope of 0, what does that indicate about the line?

A slope of 0 indicates that the line is horizontal.

What is the slope of a line that is perpendicular to a line with a slope of 4?

The slope of a line perpendicular to a line with slope 4 is $$-\frac{1}{4}$$ .

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

Use the point-slope form: $$y - y1 = m(x - x1)$$ , where $$(x1, y1)$$ is the point and $$m$$ is the slope.

What is the significance of the slope in a linear function?

The slope indicates the rate of change of the dependent variable with respect to the independent variable.

What does the term 'linear function' mean?

A linear function is a function that graphs to a straight line, represented by the equation $$y = mx + b$$ .

9.5 STAAR Review Linear Key Features Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

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

Back

2.

FLASHCARD QUESTION

Front

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

Back

3.

FLASHCARD QUESTION

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

4.

FLASHCARD QUESTION

Front

What is the y-intercept of a line?

Back

5.

FLASHCARD QUESTION

Front

How do you convert the standard form of a linear equation to slope-intercept form?

Back

6.

FLASHCARD QUESTION

Front

Back

The slope of the line is 3.

7.

FLASHCARD QUESTION

Front

What is the equation of a horizontal line?

Back

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