Complex Numbers: i = √-1;
A complex number is a number of the form a + bi;
Where ‘a’ and ‘b’ are real numbers and i = √-1.
How many times would the graph of the function f(x) = 2x2 - x + 5 cross the x-axis?
Answer:
The graph wouldn’t cross the x-axis, since intercepts are Real-Number Zeros and this function has no real number zeros.