STAAR Review 13

Front

What is the relationship between energy and light output?

Back

There is no apparent association between the energy and light output.

Front

What can be inferred about the diameter of a tree trunk and its age?

Back

The larger the diameter of a tree trunk, the older the tree.

Front

How does temperature affect the number of people at a pool?

Back

The hotter the temperature, the more people come to the pool.

Front

What happens to a shape when it is dilated with a scale factor greater than 1?

Back

The shape becomes larger.

Front

What is the relationship between the length of a call and its cost?

Back

There is no relationship between the length of the call and the cost of the call.

Front

Define dilation in geometry.

Back

Dilation is a transformation that alters the size of a figure but not its shape.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two variables using dots to represent data points.

Front

What does a positive correlation in a scatterplot indicate?

Back

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

Front

What does a negative correlation in a scatterplot indicate?

Back

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

Front

What is a scale factor in dilation?

Back

A scale factor is a number that scales, or multiplies, the dimensions of a shape during dilation.