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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
Algebra Ch2.4 Set IV
Question from Cynthia: Answer from Dr. Callahan: You are correct. I assume you have a blue textbook and this is on page 72. It appears the problem got updated between versions and the solutions manual did not. The y-axis is the weight of the contestant in pounds after...
Raspberry Pi and A Robot Ferris Wheel you can build at home for less than $100
Some of the links in this article are affiliate links. We don't carry in our shop all the materials you would need to complete this activity, so we use links to share with you the products you would want to use so that you can do this activity at home. Some of those...
The Quadratic Equation
Where did all these formulas come from anyway? Here's some interesting information on the Quadratic Equation. All forms of math and science (including cooking, shopping, etc) are loaded with formulas. Formulas are nothing but a relationship between two different...
Rocket Activity
Grab a copy of the model rocket activity here. This activity is suitable for any of the math courses or Algebra, Geometry, Algebra 2 with Trig, or Calculus. Note: We are talking about model rockets, which since they stay under the forces of the earth's gravity, travel...
Algebra 2 with Trig Ch6.2 #45
The quick hint is this... label the bottom length x so that the entire bottom section of the RIGHT triangle is d+x. Then you can say tan(ALPHA) = h / (x+d) tan (BETA) = h/x then solve the second for x and substitute into the first. For details, you can see the...
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