Which equation is an example of the commutative property of multiplication?
Which point shows the location of 5 – 2i on the complex plane below?

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?
What is the greatest possible integer value of x for which is an imaginary number?

What is the value of i 20+1?
What is the sum of 12 – 5i and –3 + 4i?
Which expression is equivalent to (4 + 6i)2?
What is the value of i 97 – i?

Using the quadratic formula to solve 11x2 – 4x = 1, what are the values of x?




If the discriminant of a quadratic equation is 4, which statement describes the roots?
Which pair of complex numbers has a real-number product?
For what values of m does the graph of y = mx2 – 5x – 2 have no x-intercepts?




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