1. Math 111 College Algebra 1.3 Homework Dr. Moseley
1) Find the x-intercept and y-intercept of the equation
. State each intercept as an ordered pair.
2) Find the x-intercept and y-intercept of the equation
. State each intercept as an ordered pair.
3) Write an algebraic expression for the distance traveled in t hours
by a car traveling at 55 miles per hour.
4) Write an algebraic expression for the sale price of an item that is
discounted 33% of its list price L.
5) One positive number is 5 times another number. The difference
between the two numbers is 148. What is the smaller of the two
numbers?
6) The price of a swimming pool has been discounted by 10%. The
sale price is $8100. Find the original list price of the pool.
7) To get an A in a course, you must have an average of at least 90%
on four tests worth 100 points each. The first three scores were 87, 92,
and 84. What must you score on the final test to get an A in the
course?
8) You are driving on a Canadian freeway to a town that is 500
kilometers from your home. After 30 minutes, you pass a freeway exit
that you know is 50 kilometers from your home. Assuming constant
speed, how long will it take for the entire trip?
9) A rectangular picture frame has a perimeter of 3 meters. The
height of the frame is two-thirds of its width. Find the height of the
picture frame.
10) Find the width of the picture frame described above, in #9.