Algebra 2 Polynomial and Quadratic Concepts Quiz

What are the zeros of the polynomial f(x) = (x - 1)(x + 1)(x + a)?

• -1, 1, a

• 1, -1, a

• -1, 1, -a

• 1, -1, -a

Which method is used to solve the polynomial x^3 - ax^2 + 16x - 16a?

• Completing the square

• Factor by grouping

• Long division

• Synthetic division

What is incorrect about the zeros of the polynomial x^2 - 5x + a?

• It has zeros of 5 and -5

• It has zeros of ±5

• It has zeros of 5 and a

• It has zeros of -5 and a

What is the correct choice for the polynomial x^3 - ax^2 - 9x + 9a?

• Choice 1

• Choice 2

• Choice 3

• Choice 4

What is the first step in solving the equation 2(2x - 1) = 5x^2?

• Subtract 5x^2 from both sides

• Distribute the 2

• Add 1 to both sides

• Divide by 2

Which formula is used to solve the quadratic equation 5x^2 - 4x + 2 = 0?

• Quadratic formula

• Graphical method

• Factorization

• Completing the square

What is the value of b in the solution of the quadratic equation 5x^2 - 4x + 2 = 0?

• 1/5

• 2/5

• 2/5√6

• 1/5√6

What type of numbers are involved in the solution of the equation 5x^2 - 4x + 2 = 0?

• Rational numbers

• Whole numbers

• Real numbers

• Complex numbers

How is the expression 4 ± 2i√6/10 simplified?

• 2/5 ± 2i√6/5

• 4/5 ± i√6/5

• 2/5 ± i√6/5

• 4/5 ± 2i√6/5

What is the imaginary part of the solution to the equation 5x^2 - 4x + 2 = 0?

• 2i√3/5

• 2i√6/5

• i√6/5

• i√3/5