8.EE.6 Checkpoint 2.4

Front

What is a function rule?

Back

A function rule is a mathematical expression that describes the relationship between input and output values. It tells you how to calculate the output based on a given input.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

If the function rule is x - 5, what is the output when the input is 14?

Back

9

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the equation of a line that has a slope of 2 and a y-intercept of 4?

Back

y = 2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does it mean for a set of values to be a function?

Back

A set of values is a function if each input (x-value) is paired with exactly one output (y-value).

Tags

CCSS.8.F.A.1

Front

Which equation represents a line with a slope of 1 and a y-intercept of 5?

Back

y = x + 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the output of the function rule y = 2x + 4 when x = 3?

Back

10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

How do you determine if a relation is a function from a table of values?

Back

Check if any x-value is repeated with different y-values. If it is, then it is not a function.

Tags

CCSS.8.F.A.1

Front

What is the slope of the line represented by the equation y = -2x + 4?

Back

-2

Tags

CCSS.8.EE.B.5

Front

If the function rule is y = x - 5, what is the output when the input is 10?

Back

5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the y-intercept in the equation y = 4x + 4?

Back

4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3