Q5Multiple choiceExercise 2.3
2
- (i)the degree of the polynomial
- (ii)the coefficient of x3
- (iii)the coefficient of x6
- (iv)the constant term 4. Write the coefficient of x2 in each of the following : (i) x + x 2 –1 (ii) 3x – 5 (iii) (x –1) (3x –4) (iv) (2x –5) (2x2 – 3x + 1) 5. Classify the following as a constant, linear, quadratic and cubic polynomials : (i) 2 – x2 + x3 (ii) 3x 3 (iii) 5t – 7 (iv) 4 – 5y2 (v) 3 (vi) 2+x (vii) y3 – y (viii) 1 + x + x2 (ix) t2 (x) 2x – 1
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(iii) the coefficient of x6
(iv) the constant term 4. Write the coefficient of x2 in each of the following : (i) x + x 2 –1 (ii) 3x – 5 (iii) (x –1) (3x –4) (iv) (2x –5) (2x2 – 3x + 1) 5. Classify the following as a constant, linear, quadratic and cubic polynomials : (i) 2 – x2 + x3 (ii) 3x 3 (iii) 5t – 7 (iv) 4 – 5y2 (v) 3 (vi) 2+x (vii) y3 – y (viii) 1 + x + x2 (ix) t2 (x) 2x – 1
(i) the degree of the polynomial
(ii) the coefficient of x3