Linear Characteristics and Representations

Which graph represents the equation:

y = 2x + 2

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• 
• 
• 

Write the equation of the line.

• y = -1/3x - 2

• y = 1/3x - 2

• y = 3x - 2

• y = -3x - 2

^{What is the x- intercept of the line?}

• (0,-2)

• (0,-1)

• (-1,0)

• (-2,0)

What is the rate of change (slope) for the graph?

• m = 1/2

• m = 2

• m = -1/2

• m = -2

Click on picture for question.

• A

• B

• C

• D

Is the representation linear or non-linear? 

• Linear

• Non-Linear

• A

• B

• C

• D

Is the representation linear or non-linear? 

• Linear

• Non-Linear

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = - 30x + 100

• y = 100 + 30x

• y = 100x + 30

• y = 100x - 30

• Domain: All Real Numbers

  [-∞ < x < ∞]

• Range: All Real Numbers

  [-∞ < y < ∞]

• y-intercept: (5, 0)

• x-intercept: (7.5, 0)