Functions as Equations flashcard

Front

What is the definition of a function?

Back

Every input has only one output.

Tags

CCSS.8.F.A.1

Front

If f(x) = 2x + 1, what is the first step to find f(1)?

Back

Plug a 1 in for all the x's.

Tags

CCSS.HSF.IF.A.2

Front

What does f(1) equal if f(x) = 2x + 1?

Back

f(1) = 2 (1) + 1.

Tags

CCSS.HSF.IF.A.2

Front

What does the notation h(4) = 5 mean in the context of a plant's height?

Back

After 4 weeks the plant is 5 inches tall.

Tags

CCSS.HSF.IF.A.2

Front

Which ordered pair would prevent this table from being a function? (10, 10), (2, 4), (6, 1), (-2, 0)

Back

(-2, 0).

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

The set of all possible input values (x-values).

Front

What is the range of a function?

Back

The set of all possible output values (y-values).

Front

What is a linear function?

Back

A function that graphs to a straight line.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

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

Tags

CCSS.8.EE.B.5