3B-Review for 1st Semester Exam

Front

What is a scatter plot?

Back

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

Front

What does a positive correlation in a scatter plot indicate?

Back

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

Front

What does a negative correlation in a scatter plot indicate?

Back

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

Front

What does it mean if there is no correlation in a scatter plot?

Back

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

Front

Simplify the expression: 7v + 2 + 12 + 2v

Back

9v + 14

Front

Describe the expression 4(x + 6) in words.

Back

Four times the sum of x plus 6.

Front

What is the capital of France?

Back

Paris

Front

How do you find the vertex of a parabola given its equation?

Back

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

Front

What is the vertex of the parabola represented by the equation y = x^2 + 2x + 3?

Back

The vertex is (-1, 2).

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.