Quadratic Formula and Complex Numbers

Quadratic Formula and Complex Numbers

Assessment

Flashcard

Mathematics

10th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Quadratic Formula?

Back

The Quadratic Formula is used to find the solutions of a quadratic equation in the form ax² + bx + c = 0. It is given by x = (-b ± √(b² - 4ac)) / (2a).

2.

FLASHCARD QUESTION

Front

What does i represent in complex numbers?

Back

i represents the imaginary unit, defined as the square root of -1.

3.

FLASHCARD QUESTION

Front

What is the value of i²?

Back

i² = -1.

4.

FLASHCARD QUESTION

Front

How do you simplify the expression -3i(4 + 2i)?

Back

The simplified form is 6 - 12i.

5.

FLASHCARD QUESTION

Front

What are the coefficients a, b, and c in the quadratic equation 4x² - 8x = 3?

Back

a = 4, b = -8, c = -3.

6.

FLASHCARD QUESTION

Front

How do you simplify the expression (2 - 3i)(5 + 4i)?

Back

The simplified form is 22 - 7i.

7.

FLASHCARD QUESTION

Front

What is 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.

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