alleryStart learning →Find the zero of p(x) = 3x − 12.
- x = 3
- x = 4
- x = 12
- x = −4
Show answer and solution
Correct answer: B. x = 4
To find the zero, set p(x) = 0.
3x − 12 = 0
3x = 12
x = 12/3 = 4.
Therefore the zero is x = 4 (option B).
Indian Navy AA (Artificer Apprentice) Polynomials — practice questions
Explore 3 free Polynomials questions in Indian Navy AA (Artificer Apprentice) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Polynomials with Quill →Polynomials questions and exercises with answers
Showing questions 1–3 of 3.
Worked practice questions
Match each polynomial to its degree
Read exercise and reference answers
- Matching pairs
- Left
- 2x - 3
- Right
- Degree 1, a linear polynomial
- Left
- 2y2 - 3y + 4
- Right
- Degree 2, a quadratic polynomial
- Left
- 5x3 - 4x2 + x - 2
- Right
- Degree 3, a cubic polynomial
- Left
- 7u6 and higher
- Right
- Degree 6, the highest power of u
- Instructions
- Tap a polynomial on the left, then tap its degree.
_Source: syllabus Maths Ch2 Polynomials, 2.1 Introduction_
Key in the degree
Read exercise and reference answers
- Questions
- Answer
- 1
- Question
- What is the degree of the polynomial 2x - 3?
- Answer
- 2
- Question
- What is the degree of 2y squared minus 3y plus 4?
- Answer
- 2
- Question
- How many zeroes can a quadratic polynomial have at most?
- Answer
- 3
- Question
- How many zeroes can a cubic polynomial have at most?
- Instructions
- Work out each answer and key it in on the pad.
_Source: syllabus Maths Ch2 Polynomials, 2.1 Introduction_
How to practise
- Choose a Polynomials question and try to work out your answer.
- Open the question to check the correct answer and read its worked solution.
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