College Discussion - View Single Post

nystudent23 · 08-17-2005, 01:44 PM

Page 412 Blue book
#17
In the xy-coordinate plane, the graph of x = ysquared -4 intersects line l at (0,p) and (5,t). What is the greatest possible value of the slope of l?
answer: 1

#18
Esther drove to work in the morning at an average speed of 45 mph. She returned home in the evening along the same route and averaged 30 mph. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work int he morning?

answer: 18

If anyone could explain how to get these answers thatd be great.

08-17-2005, 01:44 PM	#1
nystudent23 Member Join Date: Jul 2005 Posts: 481	SAT Math Questions Page 412 Blue book #17 In the xy-coordinate plane, the graph of x = ysquared -4 intersects line l at (0,p) and (5,t). What is the greatest possible value of the slope of l? answer: 1 #18 Esther drove to work in the morning at an average speed of 45 mph. She returned home in the evening along the same route and averaged 30 mph. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work int he morning? answer: 18 If anyone could explain how to get these answers thatd be great.