Name ________________
Due: Tuesday, January 17 (Exam week)
100 points
Writing Linear Equations in a Variety of Forms
Using given information about a __________, you can write an ________________of the line in _____________ different forms. Complete the chart:
Form (Name)
Equation
• •
Important information
The slope of the line is ____. The __ - ___________ of the line is _____. The slope of the line is _____. The line passes through ( ______, ______ ) A, B, and C are __________ numbers. A and B are not both ___________.
Slope – Intercept
Point – Slope
• •
Standard
• •
Try a few (Page 345 – 347) Write an equation in Slope – Intercept Form:
Algebra …show more content…
8. (23, 21); m = 4 y= m= x= b= 9) (– 2, 1), m = 1 y= m= x= b= 10) (8, –4) m = – 3 y= m= x= b=
Write an equation in Point-Slope Form that passes through the given points. oint11) (4, 7) (5, 1) 12) (9, 22) (23, 2) 13) (8, 28) (23, …show more content…
A bagel costs $1.25. 1. Write an equation that gives the amount (in dollars) that remains on the card as a function of the total number of bagels you have purchased so far. 2. How much money is on the card after you buy 2 bagels?
Keep going … a few more examples to do!
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Algebra I
Study Guide Chapter 5
Remember! Life is a Word Problem … so get good at it!
Page 346 – 7: 14 & 17
A bus leaves at 10 A.M. to take students on a field trip to a historic site. At 10:25 A.M., the bus is 100 miles from the site. At 11:15 A.M., the bus is 65 miles from the site. The bus travels at a constant speed. 1. Write an equation in point-slope form that relates the distance (in miles) from the site and the time (in minutes) after 10:00 A.M. 2. How far is the bus from the site at 11:30 A.M.?
You are buying ribbon to make costumes for a school play. Organza ribbon costs $.07 per yard. Satin ribbon costs $.04 per yard. 1. Write an equation to model the possible combinations of yards of organza ribbon and yards of satin ribbon you can buy for $5. 2. List several possible combinations.
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Algebra I
Study Guide Chapter 5
perpendicular Finally, our friends, parallel & perpendicular