Adv Algebra B Final Exam Review S1T2 2024 2025

Front

Simplify (11 + 5i)(11 - 5i)

Back

146

Front

What is the simplified form of (-6i)(3i)?

Back

18

Front

Solve the equation: x² + 2x - 20 = 4

Back

x = -6, x = 4

Front

Solve the equation: x⁴ + 4x³ + 3x² = 0

Back

x = 0, x = -3, x = -1

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

What is the definition of a complex number?

Back

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Front

What is the imaginary unit 'i'?

Back

The imaginary unit 'i' is defined as the square root of -1.

Front

What is the formula for the quadratic equation?

Back

The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a).

Front

What is the discriminant in a quadratic equation?

Back

The discriminant is the part of the quadratic formula under the square root: b² - 4ac. It determines the nature of the roots.

Front

What are the conditions for a quadratic equation to have real solutions?

Back

The discriminant (b² - 4ac) must be greater than or equal to zero.