Linear Inequalities and Regression

Are the points on the line part of the solution set?

• Yes, they are part of the solution set
• No, they are NOT part of the solution set

Select the correct graph for the inequality.

• A

• B

• C

• D

Find the Slope

• $\frac{1}{4}$

• $0$

• $4$

• $undefined$

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• No Correlation

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit? 

• The more books students read, the lower their English grade.
• The more books students read, the higher their English grade.
• The fewer books students read, the higher their English grade. 
• No relationship exists between the number of books students read and their English grades. 

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

• $f\left(x\right)=25.05x+5.57$

• $f\left(x\right)=5.57x+25.05$

• $f\left(x\right)=-5.57x+25.05$

• $f\left(x\right)=5.57x-25.05$

A line contains the points (4, 3) and (19, −2). Which equation represents this line?

• $y=-x+7$

• $y=-3x+12$

• $y=-\frac{1}{3}x+\frac{13}{3}$

• $y=\frac{1}{3}x+\frac{5}{3}$

_{Using the graph, what does f(8) equal?}

• 8
• 2
• 1
• 0