Unit 5 Mid Unit Algebra

Is this table a function or not a function?

What value would make the set of points a function?

(9, -2) (4, 3) ( 8, 10) ( ?, 8)

Select all possibilities.

What is a value of 𝑥 that could be used to complete the table to show that the relationship between 𝑥 and 𝑦 is not a function?  Select all that apply.

Is this function linear or nonlinear?

Is this function linear or nonlinear?

Is the equation below linear or nonlinear?

Is the equation below linear or nonlinear?

Is the table linear or nonlinear?

Which equations represent linear functions?

Equation 1:  $$2x+4y=8$$   Equation 2:   $$y\ =\ x^2-3$$
Equation 3:  $$y=\frac{1}{2}x+1$$   Equation 4:    $$y=\frac{1}{x}$$