Slope Using Coordinates

What is the slope of a line that passes through the coordinates (4,1) and (8,3)?

• -2

• -1/2

• 1/2

• 2

What is the slope of a line that passes through the coordinates (2,3) and (4,6)?

• -3/2

• -2/3

• 2/3

• 3/2

What is the slope of a line that passes through the coordinates (9,6) and (5,3)?

• -4/3

• -3/4

• 3/4

• 4/3

Answer explanation

Two negatives give you a positive.

What is the slope of a line that passes through the coordinates (4,5) and (6,2)?

• -3/2

• -2/3

• 2/3

• 3/2

• -7

• 6

• 8

• -9

Example 1: one slope is 3 and the other slope is -1/3

Example 2: one slope is -4/3 and the other slope is 3/4

These are two examples of slopes that are ______.

• reciprocals

• opposite reciprocals

• equal

• bisectors

The point A on the line
y = 3x - 7
has an x co-ordinate of 4.
What is the y co-ordinate of A?

• -4

• 5

• 0

• 4

Pick the best description of SLOPE.

• The difference in X values divided by the difference in Y values

• The sum of X values divided by the sum of Y values

• The difference in Y values divided by the difference in X values

• The sum of Y values divided by the sum of X values

What is the slope of the following straight line?

• m = -4

• m = 4

• m = -1/4

• m = -2

• True

• False