Chapter 1.1, Problem 47E

Find an equation of a line perpendicular to the line y=12x3 that contains the point (6,4) .

Find the equation of the line perpendicular to the line y=3 and passing through the midpoint of the segment joining 2, 4 and -6, 10.

Write an equation of the line that passes through the given point and is perpendicular to the given line. Your answer should be written in slope-intercept form. P(6,3),y+3x=12

Write an equation of the line that passes through the given point and is parallel to the given line. Your answer should be written in slope-intercept form. P(6,3),y+3x=12

Find an equation of a line with slope m=23 and containing the point (9,2) .

Identify the slope and y-intercept from the equation of the line. (a) y=25x1 (b) x+4y=8

Cholesterol. The age, x, and LDL cholesterol level, y, of two men are given by the points (18,69) and (27,122) . Find a linear equation that models the relationship between age and LDL cholesterol level.

Write an equation of a line that passes through the two given points. Your answer should be written in slope-intercept form. P(4,0),Q(6,8).

Use slope-intercept form to write an equation of the line with the given properties. m=3; b=-2