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CBSE Class 9 Polynomials and Algebraic Identities — practice questions — page 2

Explore 50 free Polynomials and Algebraic Identities questions in CBSE Class 9 Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Polynomials and Algebraic Identities questions and exercises with answers

Showing questions 31–50 of 50.

A polynomial of degree 3 is called:Read the answer and worked solution →The number multiplying a variable is called its:Read the answer and worked solution →In 4x + 5y + 3, the number 3 is a:Read the answer and worked solution →The letters used in an algebraic expression are called:Read the answer and worked solution →The degree of the constant polynomial 8 is:Read the answer and worked solution →The perimeter of a square of side x, that is 4x, is a:Read the answer and worked solution →In 5y3 + y2 + 2y - 1, the coefficient of y3 is:Read the answer and worked solution →In 5y3 + y2 + 2y - 1, the constant term is:Read the answer and worked solution →Equating a linear polynomial to a constant gives a:Read the answer and worked solution →For a linear polynomial, the difference between successive values is:Read the answer and worked solution →The graph of y = ax always passes through:Read the answer and worked solution →Linear decay is shown by a line whose slope is:Read the answer and worked solution →If x and x + 10 add to 64, the linear equation is:Read the answer and worked solution →Match the degree to the nameRead the answer and worked solution →Which ordered pair is a solution of the equation 3x + 2y = 12?Read the answer and worked solution →If x = 2 and y = k satisfy the equation 5x - 3y = 1, what is the value of k?Read the answer and worked solution →At which point does the line x + y = 7 cut the x-axis?Read the answer and worked solution →Which of these equations is NOT a linear equation in two variables?Read the answer and worked solution →What is the equation of the x-axis?Read the answer and worked solution →What is the slope of the line 2x + 3y = 6?Read the answer and worked solution →

Worked practice questions

A polynomial of degree 3 is called:

  1. Lines
  2. Const
  3. Quart
  4. Cubic
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Correct answer: D. Cubic

1. The expression 5y3 + y2 + 2y - 1 has highest power 3. 2. Its degree is therefore 3. 3. Such polynomials are called cubic. 4. So the answer is cubic. _Source: syllabus Mathematics, Ch 2 'Introduction to Linear Polynomials'_

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The number multiplying a variable is called its:

  1. Coefficient
  2. Coordinates
  3. Combination
  4. Compression
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Correct answer: A. Coefficient

1. In 4x + 5y + 3 the numbers 4 and 5 sit before the letters. 2. They tell how many of each variable there are. 3. They are the coefficients of x and y. 4. So the answer is coefficient. _Source: syllabus Mathematics, Ch 2 'Introduction to Linear Polynomials'_

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In 4x + 5y + 3, the number 3 is a:

  1. Fractions
  2. Constant
  3. Variable
  4. Exponent
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Correct answer: B. Constant

1. The terms 4x and 5y carry letters with them. 2. The last term has no variable at all. 3. So 3 is a constant. 4. The answer is constant. _Source: syllabus Mathematics, Ch 2 'Introduction to Linear Polynomials'_

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