Slope of Line, Graph, Table, Equation

Looking at the graph, is it proportional or non-proportional?

• Proportional

• Non-Proportional

At what point is the line crossing the Y-axis?

• 1.5

• -2

• 3

• -3

Does this graph show a proportional relationship?

• Yes, because it is linear

• Yes, because it is linear and goes through the origin.

• No, because it is not linear

• No, because it does not go through the origin.

Which of these terms is NOT used to describe the "m" in the equation y=mx+b.

• Constant rate of change

• starting point

• unit rate

• Constant of proportionality

What can you use to represent linear relationships?

• verbal descriptions

• equations

• graphs

• tables

• all of the above

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

For the straight line y = -2x + 3, what are:

a) the slope

b) the y-intercept?

• a) Slope = 2

  b) y-intercept = -3

• a) Slope = -2

  b) y-intercept = 3

• a) Slope = 3

  b) y-intercept = -2

• a) Slope = -3

  b) y-intercept = 2

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

• y-intercept

• macaroni

• nothing

• slope

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Which equation matches the table?

• y =4 x + 7

• y = 1/4x +11

• y = 4x -11

• y = 11x + 4