Unit 1 Test Extra Credit

Front

What is the domain of a graph?

Back

The domain of a graph is the set of all possible input values (x-values) for which the function is defined.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What is the range of a graph?

Back

The range of a graph is the set of all possible output values (y-values) that the function can produce.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What is the equation for the line that passes through the points (4,2) and (0,6)?

Back

y = -x + 6

Front

How do you determine if a relation is a function?

Back

A relation is a function if every input (x-value) has exactly one output (y-value).

Tags

CCSS.8.F.A.1

Front

What does slope represent in a linear equation?

Back

Slope represents the rate of change of the y-value with respect to the x-value.

Tags

CCSS.8.EE.B.5

Front

What is the formula for calculating slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Tags

CCSS.8.EE.B.5

Front

What is a common difference in an arithmetic sequence?

Back

The common difference is the constant amount that each term in the sequence increases or decreases by.

Tags

CCSS.HSF.BF.A.2

Front

Find the common difference: -34, -29, -24, -19, ...

Back

d = 5

Tags

CCSS.HSF.BF.A.2

Front

What is the y-intercept of a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis (x=0).

Front

What is the difference between an open interval and a closed interval?

Back

An open interval (a, b) does not include the endpoints a and b, while a closed interval [a, b] includes both endpoints.

Tags

CCSS.6.EE.B.8