3B-Review for 1st Semester Exam

A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.

A positive correlation indicates that as one variable increases, the other variable also increases.

A negative correlation indicates that as one variable increases, the other variable decreases.

No correlation means that there is no discernible relationship between the two variables.

9v + 14

Four times the sum of x plus 6.

Paris

The vertex can be found using the formula x = -b/(2a) for the quadratic equation ax^2 + bx + c.

The vertex is (-1, 2).

Area = length × width.