What is the slope of the equation y=-4x+2?
-4
What is the equation of the vertical line that passes through (-3,7).
x=-3
In slope-intercept form, what is the equation of the line that has slope = 1/2 and passes through the point (0, -9)?
y=1/2x-9
What type of correlation does a linear regression have if it's r value is .89?
Strong and positive
In slope-intercept form, what is the equation of the line that goes through (0,-3) & (2,1)?
y=2x-3
Write a point-slope form equation for the line through (3, 7) and (5, 4)
y-7=-3/2(x-3)
What type of correlation is shown for an r value of -.42
Negative and very weak
In slope-intercept form, what is the equation of the line that passes through the points (4,4) and (5,-2)?
y=-6x+28
In point-slope form,what is the equation of the line that is perpendicular to the line y=2x+4 and passes through the point (-3,-1).
y+1=-1/2(x+3)
Write a point-slope form equation for a line that is perpendicular to the line 4x+5y=10 and passes through the point (-1, 3).
y-3=5/4(x+1)
What is the slope of a line perpendicular to y=-2x+6?
1/2