math 8 MOD 5 Functions

y = x² + 9

• this is a linear function

• this is a non-linear function

Which is NOT a function?

• {(8, 5), (9, 5), (10, 5)}

• {(12, 13), (14, 15), (12, 16)}

Is the function linear or nonlinear?

• Linear

• Nonlinear

Which represents a function?

• {(5,4), (6, 5), (7, 8)}

• {(2, 3), (2, 4), (3, 5)}

Does the graph show a function?

• yes

• no

Which shows a linear function?

• y = 0.03x - 43.222

• y = x³

• 4x + 2y = -2

• y = 3x² + 9

Is the graph showing a function?

• yes

• no

Is the graph a linear or nonlinear function?

• linear

• Non linear

What output corresponds to an input of 5 ?

• 6

• 10

• 8

• 12

• 5

What is the function rule for the table?

• Add 1

• Add 2

• Multiply by 2

• Multiply by 3 and subtract 1