Functions, Tables, and Graphs

Front

What is the definition of a function?

Back

A function is a relation where every input has only ONE output.

Tags

CCSS.8.F.A.1

Front

Which ordered pair is a solution of the equation y=(1/2)x?

Back

(6, 3)

Front

Which equation is graphed if the line crosses the y-axis at 2 and has a slope of 1?

Back

y = x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the total cost of a $49.50 pair of shoes after a 6% sales tax is added? Write the answer as an ordered pair using the equation t=1.06p.

Back

(49.50, 52.47)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Which set of values represents a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Tags

CCSS.8.F.A.1

Front

What is the slope of the line represented by the equation y = 3x + 1?

Back

The slope is 3.

Tags

CCSS.8.EE.B.5

Front

What does the y-intercept represent in the equation of a line?

Back

The y-intercept is the point where the line crosses the y-axis.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If f(x) = 2x + 3, what is f(4)?

Back

f(4) = 2(4) + 3 = 11.

Tags

CCSS.HSF.IF.A.2

Front

What is the domain of the function f(x) = 1/(x-2)?

Back

The domain is all real numbers except x = 2.

Front

What is a linear function?

Back

A linear function is a function that graphs to a straight line.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2