Find Zeros Over Complex Numbers

• Odd, 2

• Even, 3

• Neither, 3

• Neither, 2

One of the SOLUTIONS to 3x³ + 4x² - 8x + 21 is - 3. Which of the following is true about the other 2 solutions?

• They are both complex (non-real) numbers.

• They are both positive real numbers.

• They are both negative real numbers.

• They are both real numbers. One is positive, the other is negative.

If a quadratic function is represented as f(x) = (x - 7)(x + 8), find the zeroes.

• x = - 7 and x = 8

• x = 7 and x = -8

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

Find ALL the zeros of the function
f(x) = x ² +2x + 10

• -1 + 3i, -1-3i

• 1 + square root 19, 1- square root 19

• 2 + 6i , 2 - 6i 

• -2+6i, -2-6i

What are the zeros of the function f(x) = x² + 64?

• -8 and 8

• -8i and 8i

• (-√8) i and (√8) i

• -√8  and √8

What are the zeros of the function f(x) = x² + 64?

• -8 and 8

• -8i and 8i

Write a polynomial function of least degree with integral coefficients that has the given zeros.

• x³-5x²+4x-20

• x³-5x²+4x-23

• x³-5x²+4x-19

• x³-10x²+4x-20

If 2i is a zero, then

• 2i repeats twice

• -2i is a zero too

• 1-2i is a zero too

• 0+2i is a zero too

How many complex zeros are there?

• 2

• 3

• 1

• 4