Honors Algebra 2 Semester 1 Review

Front

Factor: x² + 81

Back

Prime

Front

If solving the system by elimination, what would you multiply the second equation by to eliminate y?

Back

-2

Front

What is √-4?

Back

2i

Front

Divide: 2x³ + 7x² - 6x - 8 ÷ (x + 4)

Back

2x² - x - 2

Front

What is (2 + 3i)²?

Back

-5 + 12i

Front

Define a polynomial.

Back

A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

Front

What is the degree of the polynomial 4x³ - 3x² + 2?

Back

3

Front

Explain the concept of imaginary numbers.

Back

Imaginary numbers are numbers that can be written as a real number multiplied by the imaginary unit i, where i² = -1.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

What does it mean for two equations to be consistent?

Back

Two equations are consistent if they have at least one solution.