Ch 5 Writing Linear Functions

To rent a bike, Max pays a flat fee plus an hourly rental fee. The graph below shows the amount, C dollars, he pays based on the number of hours, t, he uses the bike. Which statement below is correct based on the information given in the graph?

• Max pays a flat fee of $5 to rent a bike.

• Max pays $5 per hour to rent a bike.

• Max pays $2 per hour to rent a bike.

• Max pays a flat fee of $2 to rent a bike.

Which of the following is a linear equation?

• $y=x^3-x^2+5$

• $x=y^2-3$

• $y=4x–6$

• $y=\frac{4}{x},\ \ x≠0$

What is the equation of the line that passes through point (0, 7) and has a slope of -2?

• $𝑦=−2𝑥−3$

• $𝑦=−2𝑥+3$

• $𝑦=7𝑥−2$

• $𝑦=−2𝑥+7$

Which phrase best describes the graph

y = -4x + 6 ?

• It is a straight line with a positive slope.

• It is a straight line with a negative slope.

• It is a non-linear function.

• None of the above.

What is the slope in the equation? 

 $y-2x=4$  

• 2

• -2

• 4

• -4

What is the equation of the line whose slope is -1 and whose y – intercept is -5?

• $y=-x\ -5$

• $y=-5x-1$

• $y=-x+5$

• $y=5x+1$

The linear function 4x - 2y = -16 written in y = mx + b is:

• $y=-8x$

• $y=2x+8$

• $2x+y=-6$

• $y=-2x-8$

Function 1 is represented by the table above:

Function 2 is represented by the equation y = 2x – 4.

Which statement is true?

• Function 1 has a greater rate of change than Function 2.

• Function 2 has a greater rate of change than Function 1.

• They have the same rate of change

• Function 1 has a positive rate of change, and Function 2 has a negative rate of change.

Which graph represents a linear function?

• 
• 
• 
• 

Find the slope of the line using the table.

• $-\frac{3}{4}$

• $\frac{3}{4}$

• $\frac{4}{3}$

• $-\frac{4}{3}$