Linear Functions

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

Write the equation of the line.

• y = -2/3x + 4
• y = 2/3x + 4
• y = 3/2x + 4
• y = -3/2x + 4

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

What does 'b" represent in y=mx+b

• y-intercept
• macaroni
• nothing
• slope

Write a equation:  A plumber charges $50 for a house call plus $12 per hour for labor.

• y = 50 x + 12
• y =12 x + 50
• y = 62 x
• x = 50 + 12y

Determine the slope and y-intercept.   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

Determine the slope and y-intercept.    4x + y = -10

• slope: 4   y-intercept:  (0,10)
• slope: -4   y-intercept:   (0,-10)
• slope: -4   y-intercept:   (0,10)
• slope: 4   y-intercept:   (0,-10)

Write the equation of the line.

• y=(3/5)x+1
• y=(3/5)x-1
• y=(5/3)x+1
• y=(3/5)x+1

Write the equation for the line.

• y= -1x+3
• y= 4x+3
• y=(1/4)x+3
• y= -4x+3

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b