Questions for video

Which set of values is 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)

Which set of values is 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)

A set of ordered pairs is called what?

• An Expression

• A Relation

• A Function

• The Vertical Line Test

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Is this graph a function or not a function? 

• Function
• Not a Function

What is the y-intercept of this equation? 
y = 5x + 8 

• (0, 5)
• (5, 0) 
• (0, 8) 
• (8, 0) 

Calculate the slope.

• m= -2
• m=-1/2
• m=2
• m=1/2

What is the slope of the line?

• -6
• -2/3
• 3/2
• 4

How would you write the equation with a slope of 2/3 and a y-intercept of -3

•  $y=\frac{2}{3}x+3$  
  

•  $y=\frac{2}{3}x-3$  
  

•  $y=-3x+\frac{2}{3}$  

•  $y=-3x-\frac{2}{3}$