Section_8_2_Notes

Section_8_2_Notes - 70. There are twice as many par 4’s...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Section 8.2 Systems of three equations and three unknowns: We can use a combination of elimination or substitution to solve Example 1: Solve 4x + 2y + 5z = 6 2x – y + z = 5 3x + 2y - z = 4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Example 2: Solve x – 2y + 3z = 11 4x + 2y – 3z = 4 3x + 3y - z = 4
Background image of page 2
Example 3: Solve 2x – 5y + 5z = -1 6x – 15y + 15z = -14 2x - 2y - 5z = 4
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Example 4: Solve -2x – 4y – z = 1 3x + 3y + z = 1 -8x – 10y – 3z = -1
Background image of page 4
Word Problems: Example 1: An 18 hole golf course has par 3’s, par 4’s, and par 5’s. A golfer who shoots par shoots
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 70. There are twice as many par 4’s as par 5’s. How many of each type of hole are there? Example 2: Last year, Wal-Mart spent 87.4 billion dollars on newspaper, television, and radio ads. The total amount spent on television and radio ads was only 3 billion more than was spent on the newspaper ads. The amount of money spent on newspaper as was 5.3 billion more than spent on television ads. Find the amount of money spent on each type of ad....
View Full Document

This note was uploaded on 04/07/2008 for the course MATH 112 taught by Professor Taylor during the Spring '08 term at Alabama.

Page1 / 6

Section_8_2_Notes - 70. There are twice as many par 4’s...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online