Correlation or Causation
Positive, Negative, or No Correlation
Fill in the blank. Parallel lines have the ________ slope. Perpendicular lines have ______________ _____________ slopes.
What is same slope and opposite reciprocal slopes?
What is the equation for slope intercept form?
What is y=mx+b?
What is the equation for standard form?
What is Ax+By=C?
What is the equation for Point-Slope Form
y-y1= m(x-x1)
Determine if the following statement illustrates causation or only correlation.
Jane compared the places to eat in her town and found a negative correlation between the number of fast food places and upscale restaurants.
Correlation only
Write the equation of the line parallel to y=x-2
y=x+something
Write the equation with a slope of 6 and y-intercept of -8.
What is y=6x-8?
Find the y intercept of x+4y=8.
The y-intercept is 2.
What is the slope of the following equation?
y-4=12(x-4)
12
Determine if the following statements illustrates causation or only correlation.
George Read online that the amount of time spent exercising positively correlated with the amount of water a person consumes.
Causation
What is the perpendicular slope of -2/3?
What is 3/2
Write the equation of a line with slope -2 and y-intercept 0.
What is y=-2x?
Find the slope of -5x+3y=-15
slope = 5/3
Write an equation in point-slope form for the line that passes through (3, -2) with a slope of 1/4.
y+2=1/4(x-3)
Determine if the following statements illustrates causation or only correlation.
When doing his taxes, Josef found that the amount of his commission was positively correlated with the number of appliances he sold each week.
Causation
Write the equation of the line that is perpendicular to y=3x+5 and passes through (-1,4).
y=-1/3x + 11/3
Write an equation in slope intercept form for a line that passes through (3,1) and (2,4).
y=-3x+10
Convert y=-2/5x+1 to standard form.
2x+5y=5
OR
2/5x + y = 1
Write an equation in point-slope form for the line that passes through (-6, 10) and (-4, 18).
y-10= 4(x+6)
Determine if the following statements illustrates causation or only correlation.
A basketball players found a positive correlation between the number of minutes they played and the number of points they scored.
Correlation
The extra minutes may offer more opportunities but they do not directly cause more points to be scored.
Write the equation of the line perpendicular to the line 3x-4y=-2 and passes through the point (3,6)
y=-4/3x +10
Write the equation of the line that passes through (-2,-4) and (-2,4)
x=-2
What is the slope of 2x-3y=5?
m=2/3
Write an equation in point-slope form that passes through (-8, -6) and (4, -15)
y+6= -3/4(x+8)