Algebra-related Problems
Not what you're looking for?
1. Express in terms of i.
4 square root of -255
2. Subtract.
(5x^6 + 9x^4 - 2x^3 - 3) - (8x^6 - 8x^5 + x^4 - 4)
3. Given the quadratic function f(x) = x^2 - 18x + 81, find a value of x such that f(x) = 16
4. Joe has a collection of nickels and dimes that is worth $7.65. If the number of dimes was doubled and the number of nickels was increased by 35, the value of the coins would be $14.30. How many nickels and dimes does he have?
Purchase this Solution
Solution Summary
This posting contains the solution to the given questions.
Solution Preview
Solution:
1.
4 sqrt(-255)
4i sqrt(255)
2.
(5-8)x^6 + 8x^5 + (9-1)x^4 - 2x^3 + (-3+4)
-3x^6 + 8x^5 + ...
Purchase this Solution
Free BrainMass Quizzes
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.
Probability Quiz
Some questions on probability
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.