Linear and Nonlinear Models

What is the slope of this graph?

• 2

• -2

• -1/2

• 1/2

What is the slope of this line?

• 0

• undefined

• 2

• -2

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

What graph is y =-0.4x+1

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Which statement below appears to be true based on the graph?

• The charge for a trip with a distance of 5 miles is $5 greater for Taxi 1 than for Taxi 2.
• The charge for a trip with a distance of 5 miles is $5 less for Taxi 1 than for Taxi 2.
•  The charge for a trip with a distance of 5 miles is $20 for both Taxi 1 and Taxi 2.
• The charge for a trip with a distance of 5 miles cannot be determined for either Taxi 1 or Taxi 2.

Which of the following equations follows the rule based on the table?

• y = 0x

• y = 6x

• y = x + 6

• y = x + 1

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Which graph is a parabola?

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