New general mathematics for ss3 answers

Here are some answers to common questions in General Mathematics for SS3:

Chapter 1: Number Systems

  1. What is the set of real numbers? Answer: The set of real numbers is the set of all rational and irrational numbers.
  2. What is the difference between a rational and irrational number? Answer: A rational number is a number that can be expressed as the ratio of two integers, while an irrational number is a number that cannot be expressed as the ratio of two integers.
  3. What is the value of x in the equation 2x + 5 = 11? Answer: x = 3

Chapter 2: Algebra

  1. What is the value of x in the equation x^2 + 4x - 5 = 0? Answer: x = -5 or x = 1
  2. What is the formula for the equation of a straight line in the form y = mx + c? Answer: y = mx + c, where m is the slope and c is the y-intercept.
  3. What is the value of y in the equation 2x + 3y = 12, given that x = 3? Answer: y = 3

Chapter 3: Geometry

  1. What is the formula for the area of a triangle? Answer: Area = (base × height) / 2
  2. What is the formula for the perimeter of a rectangle? Answer: Perimeter = 2(l + w), where l is the length and w is the width.
  3. What is the value of x in the equation 2x + 5 = 11, given that the angle is 60°? Answer: x = 3

Chapter 4: Trigonometry

  1. What is the value of sin(30°)? Answer: sin(30°) = 1/2
  2. What is the value of cos(60°)? Answer: cos(60°) = 1/2
  3. What is the value of tan(45°)? Answer: tan(45°) = 1

Chapter 5: Statistics and Probability

  1. What is the mean of the data set 2, 4, 6, 8, 10? Answer: Mean = (2 + 4 + 6 + 8 + 10) / 5 = 6
  2. What is the probability of getting a head when a fair coin is tossed? Answer: Probability = 1/2
  3. What is the mode of the data set 1, 2, 2, 3, 4? Answer: Mode = 2

Chapter 6: Graphs and Charts

  1. What is the equation of the line that passes through the points (2, 3) and (4, 5)? Answer: y = x + 1
  2. What is the equation of the circle with center (3, 4) and radius 2? Answer: (x - 3)^2 + (y - 4)^2 = 4
  3. What is the equation of the parabola that opens upwards with vertex (2, 3)? Answer: y = x^2 + 4x + 3

Please note that these are just some examples of questions and answers, and you should consult your textbook or teacher for more comprehensive coverage of the subject.