Math 2303 Section 4.2
2, 7 and
3, 5 .
Popper 15 question 2: Find the slope of the line which passes through the points
2 b.
1 c.
1 d.
2
a.
Popper 15 question 3: Write the linear equation 4
2
12 in slope intercept form.
3 b.
4 c.
2
4 d.
2
6
a.
Parallel and Perpendicular Lines
Two lines are parallel if and only if their slopes are the same.
Two lines are perpendicular if and only if their slopes are negative reciprocals of each other.
2, 5 and the graph of f is perpendicular to the line
Example 5: Find a linear function f such that
1
6
.
y
x
14
7
Example 6: Find the linear function that satisfies the given conditions: Passes through (2, 3) and is parallel to
3
2
1 .
3