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2.4 – Write Equations of Lines
2.4 – Write Equations of Lines
Example 1:
Write an equation of the line shown.
2.4 – Write Equations of Lines
Example 2:
Write an equation of the line that passes through (5, 4) and has a slope of -3.
2.4 – Write Equations of Lines
Example 3:
Write an equation of the line that passes through (8, -1) and has a slope of -1/2.
2.4 – Write Equations of Lines
Example 4:
Write an equation of the line that passes through (-2, 3) and is
a. Parallel to y = -4x + 1
b. Perpendicular to y = -4x + 1
2.4 – Write Equations of Lines
Example 5:
Write an equation of the line that passes through (4, -2) and is
a. Parallel to y = 3x – 1
b. Perpendicular to y = 3x – 1
2.4 – Write Equations of Lines
Example 6:
Write an equation of the line that passes through (5, -2) and (2, 10).
2.4 – Write Equations of Lines
Example 7:
You have $30 to spend on downloading songs for your digital music player. Company A charges $.79 per song, and company B
charges $.99 per song. Write and equation that models this situation.
