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When solving a quadratic equation using the quadratic formula, it is possible for the b2 - 4ac term inside the square root (the discriminant) to be negative, thus forcing us to take the square root of a negative number. The solutions to the equation will then be complex numbers (i.e., involve the imaginary unit i).
Question:
In the real world, where might these so-called imaginary numbers be used?
When using a formula, we often know the value of one variable to a greater degree of accuracy than we know the others. I need help to understand, what affect, if any, does it make on our use of a formula if we know the value of one variable to a greater degree of accuracy than another? Please assist.
Write down quadratic equation in variable x having the given numbers as solutions. Type the equation in standard form, ax^2+bx+c=0
Comparing the 2 solution can you determine whether the fist system of equations is ill-conditioned or not?? Explain why it is ill-conditioned??
create an equation you could use to calculate the cost one person spends on food for a year assume no tax on the food
Of the $50,000 that Natasha pocketed on her last real estate deal, $20,000 went to charity. She invested part of the remainder in Dreyfus New Leaders Fund with an annual yield of 16% and the rest in Templeton Growth Fund with an annual yield of 25..
A rectangular garden has dimensions of 15 feet by 11 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 192 square feet?
the credit department of lions department store in anaheim california reported that 28 percent of their sales are cash
The vectors that represent the production at the various plants are not linearly independent. Show this and find a dependency equation.
"Your friend is taking an algebra class that began on week after yours. How would you teach the multiplication of polynomials to him/her?"
Simplify the two rational equation.
Using rules of absolute value function.
Theorem: If is a root of is a root of g(x), reciprocal polynomial of f(x). Also f(x) is irreducible iff its reciprocal polynomial is irreducible, and f(x) is primitive iff its reciprocal polynomial is primitive.
Increasing the logarithmic expression
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