Algebra 7-6 Equations for lines through 2 points
In 1-5, give the equation
that goes through the two given points.
1. (2, 4) and (5, 13) Equation:
______________________
2. (6, 7) and (8, 1) Equation:
______________________
3. (0, 4) and (-2, 1) Equation:
______________________
4. (5, 0) and (0, 5) Equation:
______________________
5. (-1, -4) and (3, -24) Equation:
______________________
6. When looking at my phone bill, I notice that
a 4 minute call to my mom in
cost me $2.84. When I called her again I talked for 6
minutes and it cost me $3.28.
a.) Give the equation that relates the time, t, and the cost,
c. ______________
b.) How much does the phone company charge
just for connecting me to
c.) How much do they charge me per minute for the phone
call? ________
7. At the age of 4, I weighed 30 pounds. At 7, I weighed 48 pounds. If my
weight gain has
been constant throughout my life, how much did I weigh at birth?
__________
8. Leasing a car requires that you put money
down on the car and pay a
certain amount each
month. After 14 months, you will have
paid a total
of $2,440. After 22 months, you will have paid a total
of $3,680.
How much
money did you have to put down on the car?
___________