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Algebra Ch2 Test 2B (additional test)
The test in the Teacher Guide for Test 2B on page 211 has an incorrect answer. The answer given in the solution manual is y=4x+1. The correct answer is y = 4x-3. Thanks Marybeth for catching this.
Algebra Ch3.4 Set I #9 Solutions Manual Error
Angela's son brought this error in the Earth cover Algebra I Solutions Manual to our attention. Thank you! The problem (Ch3.4 #9) wording changed completely from the salamander cover to the Earth cover. However, the solution in the old and new solutions manuals is the...
You can thank math for your morning cup of coffee
Just when you think math isn't relevant in the real world, you learn that it takes math to make coffee. It takes machines to brew your coffee. Whether it's a french press, a standard coffee brewer, or a pour over setup, when you make coffee,the manufacturer had to...
3-step project idea to help you learn why learning math is important
Around the world, education is not as often available as it is in more developed countries. Too many high school students that I work with here in the US take math education for granted. You see, a global perspective on mathematics and it's place in the world is a...
Algebra Ch1.Review Set I #14b Error
In Jacob's Elementary Algebra Chapter 1 Review Set I Question 14b page 51. "What is the total number of atoms in x propane molecules as a sum?" The Solutions Manual for Elementary Algebra on page 14 lists the answer as: b) 3x + 5x The "5" is a typo. The answer should...
Algebra 1 Test 5 Question 11 Error
Test shows: 3(x+1)^1/2=(x+7)^1/2 while the answer booklet shows: 3(x+1)^1/2=(x-7)^1/2. The answer key is correct. For the test, please change the problem to 3(x+1)^1/2=(x-7)^1/2
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