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Polynomials

Find the valu...

Question

Find the values of the following:
(i) |11 $-$ 25|

(ii) |9| + | $-$ 9|

(iii) |6×3 + ( $-$ 6)×3|

(iv) |x+5 $-$ (7+x)|

(v) |4| × | $-$ 8|

(vi) | 3(3 $-$ 8) + ( $-$ 5)|

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Solution

(i) $|11 - 25| = |- 14| = 14$

(ii) $|9| + |- 9| = 9 + 9 = 18$

(iii) $|6 \times 3 + (- 6) \times 3| = |18 - 18| = 0$

(iv) $|x + 5 - (7 + x)| = |x + 5 - 7 - x| = |- 2| = 2$

(v) $|4| \times |- 8| = 4 \times 8 = 32$

(vi) $|3 (3 - 8) + (- 5)| = |3 (- 5) - 5| = |- 15 - 5| = |- 20| = 20$

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Similar questions

Solve the following:

(i) x + 3 = 11; (ii) y − 9 = 21; (iii) 10 = z + 3; (iv) ; (v) 10x = 30; (vi) ;

(vii) ; (viii) ; (ix) 8x − 8 = 48; (x) ; (xi) ; (xii) ;

(xiii) 3 (x + 6) = 24; (xiv) ; (xv) 3(x + 2) − 2(x − 1) = 7.

Q. Simplify:
(i)

\frac{11}{12} \div (\frac{5}{9} \times \frac{18}{25})

(2 \frac{1}{2} \times \frac{8}{10}) \div (1 \frac{1}{2} + \frac{5}{8})

\frac{15}{16}

(\frac{5}{6} - \frac{1}{2}) \div \frac{10}{11}

\frac{9}{8} \div \frac{3}{5}

(\frac{3}{4} + \frac{3}{5})

\frac{2}{5} \div {\frac{1}{5} o f [\frac{3}{4} - \frac{1}{2}] - 1}

(1 \frac{3}{4} \times 3 \frac{1}{7}) - (4 \frac{3}{8} \div 5 \frac{3}{5})

Q. Write the degree of each of the following polynomials:
(i)

2 x - \sqrt{5}

(ii) 3 − x + x²− 6x³
(iii) 9
(iv) 8x⁴ − 36x + 5x⁷
(v) x⁹ − x⁵ + 3x¹⁰ + 8
(vi) 2 − 3x²

Q. Find the products:
(i) (−2) × 3 × (−4)
(ii) 2 × (−5) × (−6)
(iii) (−8) × 3 × 5
(iv) 8 × 7 × (−10)
(v) (−3) × (−7) × (−6)
(vi) (−8) × (−3) × (−9)

Find the product:

(i) (ii) (iii)

(iv) (v) (vi)

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