Podcast
Questions and Answers
Which of the following is a quadratic equation?
Which of the following is a quadratic equation?
- $\log(x) + 4 = 0$
- $2x^3 + 5x^2 - 3x + 1 = 0$ (correct)
- $\frac{1}{x} + 3 = 0$
- $\sqrt{x} + 2 = 0$
Which of the following is a trigonometric function?
Which of the following is a trigonometric function?
- $y = \log(x)$
- $y = \sin(x)$ (correct)
- $y = 2x + 3$
- $y = \frac{1}{x}$
Which of the following is a complex number?
Which of the following is a complex number?
- $x = -1$
- $x = 2i$ (correct)
- $x = \sqrt{2}$
- $x = 5$
Flashcards
Quadratic Equation
Quadratic Equation
An equation where the highest power of the variable is 2. It can be written in the form ax^2 + bx + c = 0, where a, b, and c are constants.
Trigonometric Function
Trigonometric Function
A function that relates an angle of a right triangle to the ratios of its sides.
Complex Number
Complex Number
A number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit (i^2 = -1).
