2.4 More About Linear Equations

p81-85

Ex 1) Write a point-slope form equation for the line through (-5,2) with slope 3/5

Ex 2) A line passes through (3,2) and (5,8). What is a point-slope form equation for the line?

Ex 3) Write the equation in standard form with integer coefficients :

54

3 xy

Ex 5) Graph the line 3x+5y=15 by finding the intercepts.

Ex 6) The number of times a cricket chirps depends on temperature.a) Graph b) Write an equation.

c) How many chirps at 70 degrees?

Ex 6) Write the slope intercept form equation.a) A line parallel to y=6x-2 through (1,-3)

b) A line perpendicular to y=-4x + (2/3) through (8,5)