Chapter 6 Exam Review – Solutions
1a) i) slope: 2, y-int: 2, ii) slope: 0, y-int: 4 iii) slope: -2/3, y-int: -1 iv) slope: undefined, y-int: none
2a) , slope: -2/5, y-int: 8/5 b) fixed: 12, represents the starting fuel. Variable: -1.5, represents the liters used per hour.
3a) x-int: 4 y-int: -3 b) slope = 3/2
4a) 2/3 b) 3/2 c) -2/3 d) -3/4
5a) b) c) d) e)
6a) b) , $175
7a) (2, -1) b) 12 days
8) decrease the slope and/or have a positive y-intercept
9) If she surfs for less than 50 minutes, use Surfnet. If she surfs between 50 and 100 minutes, use Intercom. If she surfs for more than 100 minutes, use EchoTech.
Chapter 6 Exam Review – Solutions
1a) i) slope: 2, y-int: 2, ii) slope: 0, y-int: 4 iii) slope: -2/3, y-int: -1 iv) slope: undefined, y-int: none
2a) , slope: -2/5, y-int: 8/5 b) fixed: 12, represents the starting fuel. Variable: -1.5, represents the liters used per hour.
3a) x-int: 4 y-int: -3 b) slope = 3/2
4a) 2/3 b) 3/2 c) -2/3 d) -3/4
5a) b) c) d) e)
6a) b) , $175
7a) (2, -1) b) 12 days
8) decrease the slope and/or have a positive y-intercept
9) If she surfs for less than 50 minutes, use Surfnet. If she surfs between 50 and 100 minutes, use Intercom. If she surfs for more than 100 minutes, use EchoTech.
Chapter 6 Exam Review – Solutions
1a) i) slope: 2, y-int: 2, ii) slope: 0, y-int: 4 iii) slope: -2/3, y-int: -1 iv) slope: undefined, y-int: none
2a) , slope: -2/5, y-int: 8/5 b) fixed: 12, represents the starting fuel. Variable: -1.5, represents the liters used per hour.
3a) x-int: 4 y-int: -3 b) slope = 3/2
4a) 2/3 b) 3/2 c) -2/3 d) -3/4
5a) b) c) d) e)
6a) b) , $175
7a) (2, -1) b) 12 days
8) decrease the slope and/or have a positive y-intercept
9) If she surfs for less than 50 minutes, use Surfnet. If she surfs between 50 and 100 minutes, use Intercom. If she surfs for more than 100 minutes, use EchoTech.