Linear Not Linear and Function

What is the equation of the following graph?

• 4x - y = -5

• 4x +y = -5

• y= -4x - 5

• y=-4x + 5

The algebraic form of a linear function is d =¼ l, where d is the distance in miles and l is the number of laps. Which of the following choices identifies the same linear function?

• For every 4 laps on the track, an athlete runs 1 mile

• B) For every lap on the track, an athlete runs 1/8 mile

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Which table identifies points on the line created by the equation y − 5x = −9?

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What is the slope of the line segment?

• -8.33

• 8.33

• -12

• 12

What is a linear function?

• Has a constant rate of change (its graph is a straight line)

• Does not have a constant rate of change (its graph is not a straight line

• Has a constant rate of change (its graph is not a straight line)

• Does not have a constant rate of change (its graph is a straight line)

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

A function that has a constant rate of change

• Linear

• Exponential

• Quadratic

Which of the following best describes this situation?

• The van was purchased for $1,600.

• The van decreases in value by $1,600 per year.

• The van increases in value by $1,600 per year.

• The van has no value after 5 years

The cost of renting a car for 1 day at Cars Plus is $20 plus 10 cents per mile driven. The cost of renting a car for 1 day at Need-A-Car is $20 plus 15 cents per mile driven. What does the cost per mile driven represent?

• The x-intercept

• The y-intercept

• The slope

• The point of intersection

The graph shows the distance a certain motorbike can travel at a constant speed with respect to time. What is the speed of the motorbike?

• 10 miles per hour

• 5 miles per hour

• 2 miles per hour

• 1 miles per hour