Chapter 1.1, Problem 48E

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.

Find an equation of a line parallel to the line y=3x+1 that contains the point (4,2) . Write the equation in slopeintercept form.

Find the slope of the line: y=7 .

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(4,2),x=54y2

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(4,2),x=54y2

||| Homework: Find the equation of the line that goes through (-5,12) and is parallel to y=8. Write the equation in the form x=a, y=b, or y=mx+b. The equation is (Type the equation using intogors or fractions. Simplify your answer)

Which of the answer choices gives the equation of the line which has slope −5 and y-intercept 6?