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In **Mathematics** / **High School** | 2025-07-08

📝 Answered - A quadratic polynomial, whose zeroes are -4 and -5, is a) x² - 9x + 20 b) x² + 9x + 20 c) x² - 9x - 20 8. For p(x) = ax² + bx + c, sum of zeroes is equal to a) zero b) c/a c) -b/a 9. Assertion: √2 is an irrational number. Reason: A number is irrational if it cannot be expressed in the form p/q, where p and q are integers and q ≠ 0 a) Both A and R are true, and R is the correct explanation of A. b) Both A and R are true, but R is not the correct explanation of A. c) A is true, but R is false. d) A is false, but R is true. 10. Assertion: If α & β are the zeroes of the quadratic polynomial x² - 7x + 10, then α + β = 7 and αβ = 10. Reason: For a polynomial ax² + bx + c, sum of zeroes = -b/a, and product = c/a. a) Both A and R are true, and R is the correct explanation of A. b) Both A and R are true, but R is not the correct explanation of A. c) A is true, but R is false. d) A is false, but R is true. SECTION - B 11. Find the HCF & LCM of 12, 15, 21 by applying the prime factorization method. 12. Given that HCF(306, 657) = 9, find LCM(306, 657). 13. Find the sum and product of the polynomial 2x² - 9x + 4 = 0. 14. Find the zeroes of the quadratic polynomial x² - 2x - 8, and verify the relationship between the zeroes and its coefficients. 15. If α & β are zeroes of the polynomial x² + 2x - 4, then find the value of 1/α + 1/β.

In **Biology** / **High School** | 2025-07-08

📝 Answered - If a woman is admitted to hospital for giving birth, which hormone is helping her in the delivery of her baby and releasing of milk? A. Vasopressin B. Aldosterone C. Progesterone D. Oxytocin

In **Business** / **High School** | 2025-07-08

📝 Answered - PART: I SAY True Or False 1. Cost accounting is used only by manufacturing firms. 2. Fixed costs remain constant per unit regardless of production volume. 3. Job order costing is suitable when products are customized. 4. Standard costing uses pre-determined costs for cost control. 5. Sunk costs are relevant for future decision-making. 6. Direct materials are part of prime costs. 7. Variable costs increase in total as production increases. 8. Overhead costs are always direct costs. 9. Data extraction refers to collecting data from various sources. 10. ETL stands for Extract, Translate, and Load.

In **Social Studies** / **High School** | 2025-07-08

📝 Answered - 4. Ushna and Inayah go to the library every day to study their lessons. They listen well to their teacher during discussions. They participate actively in class. What can you infer about Ushna and Inayah? a. Ushna and Inayah like to waste their time. b. Ushna and Inayah want to be together. c. Ushna and Inayah are diligent students. d. Ushna and Inayah are good class officers. 5. Miss Malak wakes up at 4:00 AM to get ready for school. She prepares her classroom and her teaching materials whenever she arrives at school. She always makes sure that everything is prepared for her students. What kind of teacher is Miss Malak? a. Miss Malak is a lazy teacher. b. Miss Malak is a dedicated teacher. c. Miss Malak is a humble teacher. d. Miss Malak is an intelligent teacher.

In **English** / **High School** | 2025-07-08

📝 Answered - Write 'the' where necessary. 1. horses are lovely animals. 2. cheese is in the fridge. 3. "We usually go to Spain for our summer holidays." "Really? We like to stay in England." 4. water is very dirty. You can't swim here. 5. "Where are __ children?" "They are playing in the garden."

In **Mathematics** / **High School** | 2025-07-08

📝 Answered - The KPSS test assumes in the null hypothesis that a series is stationary. Choose one answer: Truth Falsehood

In **Geography** / **High School** | 2025-07-08

📝 Answered - Tick (✓) the correct statements and cross out (✗) the wrong ones: 1. The hydrological cycle has no beginning or end. 2. The water cycle is absolutely a natural phenomena. 3. The Pacific Ocean is bounded on the east by the Americas. 4. On December 26, 2004 an earthquake generated a Tsunami in the Indian Ocean. 5. Oceans also help in regulate extreme temperatures.

In **Mathematics** / **College** | 2025-07-08

📝 Answered - Determine [tex]D_x\left[\frac{\sqrt[3]{x^2}-x^{-\frac{3}{2}}}{\sqrt{x}}\right][/tex]

In **Health** / **College** | 2025-07-08

📝 Answered - You have used the same stirring spoon to mix a cream sauce and a dish which contained eggs. There is a possibility that the egg dish is now cross-contaminated with which allergen(s)? Select one: A. Celery B. Fish C. Milk

In **Mathematics** / **High School** | 2025-07-08

📝 Answered - Which statement verifies that [tex]f(x)[/tex] and [tex]g(x)[/tex] are inverses of each other? A. [tex]f(g(x))=x[/tex] B. [tex]f(g(x))=x[/tex] and [tex]g(f(x))=-x[/tex] C. [tex]f(g(x))=\frac{1}{g(f(x))}[/tex] D. [tex]f(g(x))=x[/tex] and [tex]g(f(x))=x[/tex]