Review 4.1-4.2

Which of these represents slope-intercept form?

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

Determine the slope and y-intercept from the following equation:   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) 

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

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

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

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• x

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

What is the equation of a line when m = -7 and b = -8?

• y = -7x + 8

• y = -7x - 8

• y = 7x - 8

• y = 7x + 8

Which line has a
positive slope?

• Blue
• Red
• Purple
• Green

Which line has a
negative slope?

• Blue
• Red
• Purple
• Green