Midterm Review - 3rd

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 grid.

Tags

CCSS.8.SP.A.1

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, used to make predictions.

Tags

CCSS.8.SP.A.2

Front

How do you predict values using a line of best fit?

Back

You extend the line of best fit to estimate the value of the dependent variable for a given independent variable.

Front

What is the cost of entry to the carnival in Penelope's scenario?

Back

$20.

Tags

CCSS.HSF.LE.B.5

Front

If ride tickets cost $0.50 each, how do you represent the total cost in an equation?

Back

The total cost can be represented as 0.50x + 20, where x is the number of ride tickets.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does the variable 'x' represent in the equation 0.50x + 20 = 35?

Back

In this equation, 'x' represents the number of ride tickets Penelope buys.

Tags

CCSS.HSA-SSE.A.1A

Front

What is a function in mathematics?

Back

A function is a relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

Which ordered pair can be added to the set (3, 5), (4, 9), (2, 5) to maintain it as a function?

Back

(1, 9) can be added because it does not repeat any x-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the equation of a trend line?

Back

The equation of a trend line describes the relationship between the variables in a scatter plot, often in the form y = mx + b.

Tags

CCSS.HSF-IF.C.7E

Front

What does 'm' represent in the equation of a trend line?

Back

In the equation y = mx + b, 'm' represents the slope of the line, indicating how steep the line is.

Tags

CCSS.8.EE.B.5