Page 495 - Algebra 1

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Air Traffic Control An airplane approaching from the north is flying along a flight path of y = 6x + 2. The airport runway lies on the path _1 y = 3x + 1. Will the
2
airplane be able to land on the runway if it contiunes on its current path? Explain.
Coordinate Geometry The triangle shown at right is formed by the intersection of three lines. The lines can be paired to form three separate systems of two equations. Classify these systems.
Determine if the lines described are parallel or perpendicular. Line 1 passes through the points (-6, 3) and (6, 1).
Line 2 passes through the points (-6, -2) and (6, -4).
Model Make a table that relates the length and width of a rectangle with a constant area of 100 square feet.
Multi-Step Yoon has a number of dimes and quarters she wants to put into rolls. She has 124 coins in all that add up to $20.50. If a roll of quarters is equal to ten dollars, how many extra quarters does she have that will not fill up a roll?
y
x
Find the LCM of (5x - 9) and (3x + 8). Multiple Choice Simplify 20 √ 7 - 12 √ 7 + 2 √7 .
A 10 √ 7 B 18 √ 7 C 34 √ 7 D -12 √ 7 Hobbies Enrique recorded his personal best times in minutes for
completing different levels of a computer game in the stem-and-leaf plot shown. What is his median time for completing a level?
Multi-Step The sum of two numbers is 36. Their difference is 8. Find each of the numbers. What is their product?
Write an equation for a direct variation that includes the point (13, 13).
Physics The distance an object travels in a certain amount of time is directly proportional to its rate of travel. An object travels 105 meters at a rate of
3 meters per second. How far will an object travel if it travels at 5 meters per second for the same amount of time?
Solve 2 < -4a. 29. Solve _-1 < _-1 p. (70) 3 9
Real Estate Donna and James have to pay 20% of the cost of a house as a down payment. They have $35,000 saved for the down payment. Write and solve an equation to determine the range for the sale price of a house they can make a down payment on.
Personal Best Times for Completing Levels of Computer Game
Stem Leaves
0 8, 9
1 1, 2, 3, 3, 8, 9 2 2, 2, 5, 6
3 0, 3
4 1
480
Saxon Algebra 1