Equations and Functions Review

How many solutions will this system have? 

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

What is the solution to the system?

• (6, 8)

• (8, 6)

• (-6, 8)

• No solution

The solution to this system is...

• (4, -2)

• (4, 2)

• (-2, 4) 

• (-4, -2)

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

• Function; it passes the vertical line test

• Not a Function; it fails the vertical line test

Is this mapping a function or not a function?

• Function; the x's don't repeat

• Not a Function; the x's repeat

Is this table a function or not a function?

• Function; the x's don't repeat

• Not a Function; the x's repeat

Is this graph a function or not a function? 

• Function

• Not a Function

Which graph is NOT a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4