May 17, 2012
For questions 1 and 2, choose the correct answer: A, B, C, or D
1.
a) AB
Which line at the right has slope b) CD c) EF
?
d) GH
2. Which line at the right has equation a) AB b) CD c) EF d) GH
3. Determine an equation of the line in the slope – point form that is parallel to the line with equation and passes through the point A(6 , 2) May 17, 2012
4. Determine an equation of the line in general form that is perpendicular to the line with equation and passes through B(­1 , 2).
5. Determine the x­ and y­ intercepts and slope of the line whose equation is
x­intercept: _____ y­intercept: _____ slope : _____
May 17, 2012
6. Write the equation of each line in the specified form.
slope – intercept form: general form: 6. Write the equation of each line in the specified form.
slope – intercept form: general form: May 17, 2012
6. Write the equation of each line in the specified form.
slope – point form: general form: 7. Given the coordinates A(‐3 , 8) and B(6 , ‐4)
a) Find the midpoint.
b) Find the distance. May 17, 2012
8. Sophia is planning the graduation banquet. The caterer charges a fixed amount plus an additional charge for each person who attends. The banquet will cost $11 250 if 600 people attend and $7650 if 400 people attend.
a) Suppose 340 people attend the banquet. What will the total cost be?
b) The total cost was $9810. How many people attended the banquet?