QUIZ (y=mx+b and intercepts)

Which of these represents slope-intercept form?

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

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

• 3
• 4x
• 4
• x

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

• y-intercept
• macaroni
• nothing
• slope

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

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) 

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Graph y = -3

• A
• B
• C
• D

Which graph represents x=2?

• A
• B
• C
• D

Name the x- and y-intercepts for the equation:
2x + y = 6

• (0, 3) and (6, 0)
• (0, -3) and (-6, 0)
• (3, 0) and (0, 6)
• (-3, 0) and (0, -6)

What's the definition of x-intercept?

• Where the graph crosses the x axis
• where the graph crosses the y axis