Podcast
Questions and Answers
What is the simplified form of the expression $\frac{x^2y}{-7x^3y^{-2}}$ with positive indices?
What is the simplified form of the expression $\frac{x^2y}{-7x^3y^{-2}}$ with positive indices?
When solving the equation $1 + \frac{y}{4} = \frac{y}{3}$, what is the value of y?
When solving the equation $1 + \frac{y}{4} = \frac{y}{3}$, what is the value of y?
Which of the following represents the factorization of $4a^3 - 12a^2b$?
Which of the following represents the factorization of $4a^3 - 12a^2b$?
What is the area of a square when the side length is given to be x cm?
What is the area of a square when the side length is given to be x cm?
Signup and view all the answers
If an equilateral triangle is formed using a wire where each side is 6 cm longer than that of a square, how would you express the side length of the square s in relation to the triangle?
If an equilateral triangle is formed using a wire where each side is 6 cm longer than that of a square, how would you express the side length of the square s in relation to the triangle?
Signup and view all the answers
What is the value of $343 cm^3$ in scientific notation?
What is the value of $343 cm^3$ in scientific notation?
Signup and view all the answers
What does the equation $(a^n + 1)(a^n - 1) = a^{2n} - 1$ prove?
What does the equation $(a^n + 1)(a^n - 1) = a^{2n} - 1$ prove?
Signup and view all the answers
What is the total loss percentage if the marked price is $400 more than the cost price and the bag is sold at a discount of 25%?
What is the total loss percentage if the marked price is $400 more than the cost price and the bag is sold at a discount of 25%?
Signup and view all the answers
What is the simplified form of the expression $(b^2 - 1/2) ÷ (1 - a^2/ab^2) ÷ (b - ab^2)$ after using the factorization from part (a)?
What is the simplified form of the expression $(b^2 - 1/2) ÷ (1 - a^2/ab^2) ÷ (b - ab^2)$ after using the factorization from part (a)?
Signup and view all the answers
How can the equation $3^{3x + 1} = 81$ be rewritten in exponential form to make solving easier?
How can the equation $3^{3x + 1} = 81$ be rewritten in exponential form to make solving easier?
Signup and view all the answers
If a bedroom contains $3.4 imes 10^9$ dust particles per m³ and the large bedroom has a volume of 120 m³, what is the total number of dust particles in the large bedroom in scientific notation?
If a bedroom contains $3.4 imes 10^9$ dust particles per m³ and the large bedroom has a volume of 120 m³, what is the total number of dust particles in the large bedroom in scientific notation?
Signup and view all the answers
What is the area of the rectangle XABC in terms of height $h$ based on the right-angled triangle XYZ?
What is the area of the rectangle XABC in terms of height $h$ based on the right-angled triangle XYZ?
Signup and view all the answers
What is the weight of the dust particles in the two bedrooms in scientific notation if there are $9.82 imes 10^{10}$ dust particles in the small bedroom and each dust particle weighs $7.53 imes 10^{-10}$ g?
What is the weight of the dust particles in the two bedrooms in scientific notation if there are $9.82 imes 10^{10}$ dust particles in the small bedroom and each dust particle weighs $7.53 imes 10^{-10}$ g?
Signup and view all the answers
For the equation $9(3^{2x}) - 80(3^{3x+1}) - 81 = 0$, which value of $x$ is a valid solution?
For the equation $9(3^{2x}) - 80(3^{3x+1}) - 81 = 0$, which value of $x$ is a valid solution?
Signup and view all the answers
What is the statement $ax^2 + bx ext{ is less than or equal to } rac{b^2}{4a}$ demonstrating when a < 0?
What is the statement $ax^2 + bx ext{ is less than or equal to } rac{b^2}{4a}$ demonstrating when a < 0?
Signup and view all the answers
Which of the following is the correct simplification of the expression $\frac{a}{a + b} + \frac{b}{a - b}$?
Which of the following is the correct simplification of the expression $\frac{a}{a + b} + \frac{b}{a - b}$?
Signup and view all the answers
What is the value of $\frac{a - b}{a + b}$ if $\frac{a}{a + b} + \frac{b}{a - b} = \frac{5}{4}$?
What is the value of $\frac{a - b}{a + b}$ if $\frac{a}{a + b} + \frac{b}{a - b} = \frac{5}{4}$?
Signup and view all the answers
For the equation $(x − p)(x − q)(x − r) = 0$, which of the following represents the roots?
For the equation $(x − p)(x − q)(x − r) = 0$, which of the following represents the roots?
Signup and view all the answers
If $x + y + z = 3$ and $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = \frac{1}{3}$, which statement must be true?
If $x + y + z = 3$ and $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = \frac{1}{3}$, which statement must be true?
Signup and view all the answers
What is the area of rectangle PABC if its dimensions are represented by $x$?
What is the area of rectangle PABC if its dimensions are represented by $x$?
Signup and view all the answers
Given the area of rectangle PABC is 18 cm², what is the value of $CR$ if the area can be expressed as $\text{length} \times \text{width}$?
Given the area of rectangle PABC is 18 cm², what is the value of $CR$ if the area can be expressed as $\text{length} \times \text{width}$?
Signup and view all the answers
Which of the following values satisfies the equation $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = \frac{1}{3}$ if $x + y + z = 3$?
Which of the following values satisfies the equation $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = \frac{1}{3}$ if $x + y + z = 3$?
Signup and view all the answers
What does the equation $xyz = a(yz + xz + xy)$ demonstrate about the relationship between $x$, $y$, $z$, and $a$?
What does the equation $xyz = a(yz + xz + xy)$ demonstrate about the relationship between $x$, $y$, $z$, and $a$?
Signup and view all the answers
Study Notes
2023-24 Mid-Year Examination - Grade 8 Mathematics
-
Examination Structure:
- Part I: Conventional Questions (100 marks) - 1 hour 40 minutes.
- Part II: Multiple Choice Questions (36 marks) - 1 hour 40 minutes
-
Instructions:
- Write name, class, and class number.
- Answer the questions in the allotted spaces.
- Show all working clearly.
- The diagrams provided are not necessarily drawn to scale.
- Measurements are not solutions unless explicitly stated.
- Numerical answers should be exact unless otherwise specified.
- HKEAA-approved calculators allowed (or non-CAS version of TI-nspire calculators).
Instructions (Part II-Multiple Choice)
- Time Allotted: 1 hour 40 minutes.
- Number of Questions: 36, each with equal marks.
- Answering Method: Mark answers on a separate answer sheet using pencil (only).
- Answer Sheet: Write name, class, and class number on both the question booklet and the answer sheet.
Instructions (General)
- Figures and Diagrams: Diagrams are not drawn to scale. Measurements are not solutions unless indicated otherwise.
- Best Answer: Select only the best possible option or answer for each question.
Additional Notes
- The provided document is a question paper. The solutions for the questions are not included.
- Examination dates are not specified.
- The complete examination consists of 2 parts.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Related Documents
Description
Prepare for your Grade 8 Mathematics mid-year examination with this comprehensive quiz covering both conventional and multiple-choice questions. This assessment includes various mathematical concepts and requires clarity in your working process. Make sure to follow the instructions carefully to optimize your performance.