Find the linear equation that meets the stated criteria.The table shows the number of members in the Windy City Edsel Owners Club during the years 1986-1990.
Use a calculator to find the least squares regression line for this data, where x = 0 represents 1986, x = 1 represents 1987, and so on.
A. y = 28.3x + 106
B. y = 28.4x + 105
C. y = 28.1x + 109
D. y = 27.6x + 111
Answer: C
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Write the equation of the graph in its final position.The graph of y = x2 is translated 5 units to the left and 8 units downward.
A. y = (x - 8)2 + 5 B. y = (x + 5)2 - 8 C. y = (x + 8)2 - 5 D. y = (x - 5)2 - 8
Use a graphing calculator to plot the data and find the quadratic function of best fit.The number of housing starts in one beachside community remained fairly level until 1992 and then began to increase. The following data shows the number of housing starts since 1992 (x = 1). Use a graphing calculator to plot a scatter diagram. What is the quadratic function of best fit?
A. H(x) = -2.679x2 - 26.607x + 168.571 B. H(x) = 2.679x2 + 26.607x + 168.571 C. H(x) = -2.679x2 + 26.607x - 168.571 D. H(x) = -2.679x2 + 26.607x + 168.571
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)
A. - 
B. 
C. Undefined
D. 0
Use a graphing utility to graph the equation.2x2 + 4
xy + 6y2 + 
x - y = 0
A. 
B. 
C. 
D. 