Constructing Linear Functions

What is the initial value for a linear function passing through points (-1,-1) and (2,-10)?

• -4
• 2
• 4
• -2

Find the rate of change of the linear function from the point (0,8) to the point (18,20)

• 12
• 6/9
• 16/9
• 2/3

Identify the equation of the linear function through the points (−1,−1) and (2,−10). 

• y = -3x - 4
• y = -3x + 16
• y = -11x + 12
• y = -11x + 32

Which linear function has initial value of 5? 

• y=5x+4
• y=4x+5
• y=−4x−5
• y=−5x+4

Find the rate of change of the linear function shown :
y = 1/3x - 3

• -3
• 3
• 1/3
• 3/1

What is the initial value of the function: y = -4x - 5

• 4
• -5
• 5
• -4

Which linear function has the greater rate of change, the one described by the equation y=0.5x+3 or the one described by the points (6,2) and (8,5)?

• The equation has the greater rate of change
• The points have the greater rate of change

A line passes through points (5,19) and (6,20). Write a linear function for this line.

• y = x + 14
• y = 2x +2
• y = x + 20
• y = x +1

An online clothing company sells custom sweatshirts. The company charges $4.99 for shipping plus $6.50 for each sweatshirt. Which Equation describes this situation?

• y = 4.99x +6.50
• y = 6.50x - 4.99
• y = 6.50x + 4.99
• y = 4.99x - 6.50

You go on a vacation and bring $100 for spending money. You spend $25 each of the days. What equation represents this situation?

• M = 25 + 100d
• M = 25 + 100d
• M = 100 - 25d
• M = 100 + 25d