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A rational number is a number that can be expressed as a fraction, ratio of two integers or decimal number. Rational numbers can be ordered in a number line.
What are extraneous solutions of an equation? Why do they sometimes occur in the process of solving rational or radical equations?
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions?
If it takes a colony of termites one day to devour a block of wood that is 2 inches wide, 2 inches long, and 2 inches high, then how long will it take them.
Calculate how many pennies would be needed to make a tower 1 billion meters tall. Give answer in both standard calculation and in scientific notation.
An item costs $1300 , has a scrap value of $100, and a useful life of six years. The linear equation relating book value and number of years is
Use techniques of transformation and rules of logarithms to find domain, range, intercepts and the equation of the vertical asymptote for the function.
How would you calculate the answer to that question? Can you develop an equation to normalize the usage for temperature and number of days?
Steve traveled 200 miles at a certain speed. Had he gone 10mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.
If the cost in millions of dollars, to remove x% of pollution in a lake modeled by C=6000/200-2x, how would I figure the cost to remove 75% of the pollution?
Find the break even point: the number of units (to the nearest whole number) which need to be produced for the revenue=cost. Use algebra.
Explain the difference between independent samples and dependent samples. Classify the following as independent or dependent samples.
Develop a question for a high-school level class that requires the collection of data. What type of graph would you use to represent the data and why?
On June 25th, the call premium on a Dec 25 PHLX contract is 6.65 cents per pound at a strike price of $1.81.
How do you find a quadratic equation if you are only give the solution? Is it possible to have different quadratic equations with the same solution?
Evette has 41 1/2ft. of string. She wants to cut it into pieces 3 3/4ft. long. How many pieces of string will she have? How much string remains, if any?
What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Why?
Factor completely: 16x4 - 40x2 + 9 [2x2 - x - 3] / [3x2 - 7x + 4] divided by [2x2 + x - 6] / [3x2 + 2x - 8].
Please explain, If they are different graphs, does that mean that they are really two different equations?
The standard quadratic equation is given as: ax^2 + bx + c = 0 , where a, b, and c are real numbers and a > 0.
Define exponential function. Give an example of such function and graph it. Discuss what are common characteristics of all exponential functions.
Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function: f(x)=x2-2X-1
Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots.
Which of the ordered pairs (3, 1), (0, -4), (-4, 0), (-3, -7) are solutions for the equation x - y = 4?
Which point on the graph makes this relation not a function?