Linear Functions Practice

In order to be a function the following must be true.

• each x value has only one y value

• each x  has only one y & each y has only one x

• each y value has only one x value

• each x and y are equal

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• function

• not a function

Is this graph a function or not a function? 

• function

• not a function

Evaluate f(2) for f(x)=3x+1.

• 11

• 9

• 13

• 7

Tags

CCSS.HSF.IF.A.2

If g(x) = 2x + 5, what is the value of g(4)?

• 11

• 13

• 14

• 15

Tags

CCSS.HSF.IF.A.2

The y-intercept crosses the ____________.

• origin

• x-axis

• y-axis

• the graph

The x-intercept crosses the ____________.

• origin

• x-axis

• y-axis

• the graph

What is the parent function

of linear functions?

• y = 2x

• y = mx + b

• f(x) = x

• Not here

Identify the line less steep than:

y = 3x + 8

• y = 5x + 8

• y = 3x + 5

• y = -3x + 6

• y = 2x + 7

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is slope?

• Change in y/Change in x

• y₂-y₁/x₂-x₁

• Rise/Run

• y-intercept/x-intercept

• rate of change

Tags

CCSS.8.EE.B.5