Slope Of A Line Flashcards

1
Q

What is the definition of the slope of a line?

A

The slope of a line is the measure of its steepness or incline, typically represented as ‘m’.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

The formula is m = (y2 - y1) / (x2 - x1).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: A horizontal line has a slope of 0.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does a positive slope indicate about a line?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does a negative slope indicate about a line?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Fill in the blank: The slope of a vertical line is ______.

A

undefined.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If the slope of a line is 3, what does this mean in terms of rise over run?

A

For every 3 units the line rises, it runs 1 unit horizontally.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the slope of the line represented by the equation y = 2x + 5?

A

The slope is 2.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False: The slope of a line can be negative, positive, or zero.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the slope-intercept form of a line?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In the slope formula m = (y2 - y1) / (x2 - x1), what do y2 and y1 represent?

A

y2 and y1 represent the y-coordinates of the two points.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the y-intercept of a line?

A

The y-intercept is the point where the line crosses the y-axis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If a line passes through the points (1, 2) and (3, 6), what is its slope?

A

The slope is 2.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Fill in the blank: A line with a slope of 1 is said to be ______.

A

diagonal.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How does the slope of a line affect its graph?

A

The slope determines the angle of the line and its direction of rise or fall.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

The slope of the perpendicular line is -1/4.

17
Q

True or False: Two lines with the same slope are parallel.

A

True.

18
Q

What is the slope of the line represented by the equation y = -x + 3?

A

The slope is -1.

19
Q

If a line has a slope of 0, what can be said about its equation?

A

The equation will be of the form y = b, where b is a constant.

20
Q

What is the relationship between the slope and the angle of inclination of a line?

A

The slope is the tangent of the angle of inclination.

21
Q

Fill in the blank: The slope of a line is often denoted by the letter ______.

A

m.

22
Q

If the slope of a line is 5, what is the rise when the run is 2?

A

The rise is 10.

23
Q

What is the slope of a line that runs from (2, 3) to (2, 5)?

A

The slope is undefined.

24
Q

True or False: A steeper slope results in a larger absolute value of the slope.

A

True.

25
Q

What is the slope of a line that is perfectly flat?

A

The slope is 0.