Сгенерируй тест для школьников с учетом следующих параметров: 1. Предмет: Английский язык 2. Тема теста: квадратный трехчлен 3. Класс учеников: 9 4. Типы вопросов в тесте: Множественный выбор 5. Количество вопросов: 5 6. Выводить ли тест с ответами: Да

Here is a 5-question English-language test (Grade 9) on the topic of quadratic polynomials. All questions are multiple choice. Answers are provided at the end. Subject: English (English Language) Grade: 9 Topic: Quadratic Polynomial Question Type: Multiple Choice Number of Questions: 5 Instructions: Choose the best answer (A, B, C, or D). Answers are at the end. 1) Which of the following expressions is a quadratic polynomial in one variable? A) 3x + 2 B) x^2 + 5x − 7 C) sqrt(x) D) x^3 − x 2) What is the discriminant of the quadratic equation 2x^2 − 3x + 1 = 0? A) −1 B) 0 C) 1 D) 4 3) The axis of symmetry of the graph y = −4x^2 + 12x − 5 is x = ? A) 0 B) 3/2 C) −3/2 D) 6 4) Factorize the quadratic expression x^2 − 5x + 6. A) (x − 1)(x − 6) B) (x − 2)(x − 3) C) (x − 3)(x − 3) D) (x + 2)(x − 3) 5) If f(x) = 2x^2 − 8x + 3, what is the y-coordinate of the vertex? A) −5 B) 5 C) −8 D) 3 Answer key: 1) B 2) C 3) B 4) B 5) A