Enrichment Math 2-Unit 3 Midterm Review 2024-25

Front

What is the solution to the equation x² + 7 = 32?

Back

x = ± 5

Front

Evaluate the expression (2 + 3i)(4 - 6i).

Back

26

Front

What are the roots of the graph represented by the equation?

Back

0 and 4

Front

What is the result of multiplying the complex numbers (2 + 3i) and (5 - 2i)?

Back

16 + 11i

Front

What is the result of multiplying the complex numbers (3 + 5i) and (2 - 3i)?

Back

21 - 1i

Front

What is the formula for finding the roots of a quadratic equation?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

Define 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

i is defined as the square root of -1.

Front

What is the product of two complex conjugates?

Back

(a + bi)(a - bi) = a² + b².

Front

How do you add two complex numbers?

Back

Add the real parts and the imaginary parts separately.