CC Q1 Benchmark Review

The scatter plot shows the average math grades for students at Millswood. Which statement is MOST strongly supported by the scatter plot?

• Math grades decrease consistently with more absences.

• Math grades remain constant through all number of absences.

• Math grades increase consistently with more absences.

• Math grades increase until a student is absent 4 days then decrease until they are absent 10 days.

Suppose a scatter plot indicates that there is a negative linear association between two quantitative variables. Which of these statements MUST be correct about the line of best fit for the data in the scatter plot?

• The line must have a positive x-intercept.

• The line must have a positive y-intercept.

• The line must have a positive slope.

• The line must have a negative slope.

Is the equation linear or nonlinear?

 $y=20x$ 

• Linear

• Nonlinear

What is the $b$ value in the equation?

 $y=15x$   

• 15

• 0

• 1

• 15x

Is the equation linear or nonlinear?

 $y=9$ 

• Linear

• Nonlinear

A has a rate of change of 10.

• True

• False

B has a rate of change of -10.

• True

• False

A and B have equivalent rates of change.

• True

• False

A has a y-intercept of 0.

• True

• False

B has a y-intercept of -50.

• True

• False