afri.notebook
June 02, 2017
Homework due Friday ­ 06/02/17
Pages 706­07 #'s 16,18,20,22.
Jun 5­6:46 AM
afri.notebook
June 02, 2017
16. (1, ­3, 2)
18. (­1, 1, 2)
20. (­1, ­2, 4)
22. (­2, 0, 3)
Mar 19­6:29 AM
afri.notebook
June 02, 2017
Mar 20­6:32 AM
afri.notebook
June 02, 2017
How many points determine a line?
Determine the equation of the line passing through the points
(-3, -2), and (3, -6).
You need 3 points to determine the equation of a parabola.
Determine the equation of the quadratic function in the form of
y = ax2 + bx + c passing through the points (-2, -19), (3, -14) and
(6, -59).
Jun 1­8:51 AM
afri.notebook
June 02, 2017
Applications of linear systems
An executive traveled a total of 8 hours and 1,930 miles by car and by plane. Driving to the airport by car, she averaged 60 miles per hour. In the air, the plane averaged 350 miles per hour. How long did it take her to drive to the airport? Distance = Rate
Travel by Car
Travel by Plane
Total
Jun 2­7:10 AM
x
Time
afri.notebook
June 02, 2017
Stategy
• Determine the general formula that represents the
situation. d = rt or pure = amount.concentration etc
• Read the question to determine the unknowns. Two unknowns
require an x and y.
• Set-up and solve the system. Be careful of units of measure.
• Answer the question.
Jun 2­7:44 AM
afri.notebook
June 02, 2017
Jun 2­7:46 AM