Graphing linear functions

Is this graph Arithmetic or Geometric?

• Arithmetic

• Geometric

When graphing, which type of function is "straight as an arrow?"

• Linear

• Quadratic

• Exponential

• None of these

What is the y-intercept and what does it mean for the context of the problem?

• (0, 0). This means that the cost before tax is $0.

• (10, 0). This means that the cost before tax is $10 and the cost after tax is $0.

• (6, 7.50). This means that the cost before tax is $6 and the cost after tax is $7.50

"b" value

Mathematical Equivalence

ON

Identify the graph with a x-intercept of (-2,0) and y-intercept of (0,2)

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Choose the interval where f(x) is positive.

• −4<x<−2

• −1<x<1

• 2<x<4

• none of the previous

The equation used for non-proportional functions

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• 

Question 1

• (0,4) y coordinates

  (5,0) x coordinates

• (5,0) y coordinates

  (0,4) x coordinates

• (0,0) y coordinates

  (5,0) x coordinates

• (0,4) y coordinates

  (0,0) x coordinates

You are competing in a race that is 16 miles long. The race organizers are allowing you to run it, walk it, or do a combination. You know you can run at 4 miles per hour and walk at 2 miles per hour. The equation for the scenario is 4x+2y=16. What does the y-intercept mean for the scenario?

• The maximum time it will take to run the race is 2 hours.

• The maximum time it will take me to walk the race is 4 hours.

• The maximum time it will take to walk the race is 8 hours.