Work out the following division: 10y(6y + 21) ÷ 5(2y + 7)
Answer: 6y The four important terms used in the division operation are dividend, divisor, quotient and remainder. The formula to... View Article
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Work out the following division: 96abc(3a – 12)(5b -30) ÷ 144(a – 4)(b – 6)
Answer: 10 abc The four important terms used in the division operation are dividend, divisor, quotient and remainder. The formula... View Article
Work out the following division: 9x2y2(3z – 24) ÷ 27xy(z – 8)
Answer: xy The four important terms used in the division operation are dividend, divisor, quotient and remainder. The formula to... View Article
Write all the other trigonometric ratios of ∠A in terms of sec A.
Answer: cos A function in terms of sec A: sec A = 1/cos A ⇒ cos A = 1/sec A... View Article
Write down the names of parts of the eye in the blank spaces shown in Fig.
Answer: The eye is an important and one of the most complex sens organs that we humans are endowed with.... View Article
Write five rational numbers which are smaller than 2.
Answer: Rational numbers are represented in p/q form where q is not equal to zero. It is also a type... View Article
Write T against true and F against false in the following statements. (a) Lightning conductor cannot protect a building from lightning (T/F) (b) Earthquakes can be predicted in advance (T/F)
Answer: (a) Lightning conductor cannot protect a building from lightning – False(F) The lightning conductor is a thick copper wire... View Article
Write T against true and F against false in the following statements. (a) Like charges attract each other (T/F) (b) A charged glass rod attract a charged plastic straw (T/F)
Answer: (a) Like charges attract each other – False(F) Coulomb’s law states that opposite electric charges attract each other while... View Article
Write the additive inverse of each of the following (i) 2/-9 (ii) 19/-16
Answer: An additive inverse of a number is defined as the value, which on adding with the original number results... View Article
Write the additive inverse of each of the following (i) 2/8 (ii) -5/9 (iii) -6/-5
Answer: An additive inverse of a number is defined as the value, which on adding with the original number results... View Article
Write the coefficients of x2 in: √2x-1
Answer: 0 A polynomial is defined as an expression that is composed of variables, constants and exponents, that are combined... View Article
Write the coefficients of x2 in: 2 – x2 + x3
Answer: -1 A polynomial is defined as an expression that is composed of variables, constants and exponents, that are combined... View Article
Write the coefficients of x2 in: 2 + x2 + x
Answer: 1 A polynomial is defined as an expression that is composed of variables, constants and exponents, that are combined... View Article
Write the degree of the following polynomial: 3
Answer: 0 A polynomial’s degree is the highest or the greatest power of a variable in a polynomial equation. The... View Article
Write the degree of the following polynomial: 4 – y2
Answer: 2 A polynomial’s degree is the highest or the greatest power of a variable in a polynomial equation. The... View Article
Write the degree of the following polynomial: 5t – √7
Answer: 1 A polynomial’s degree is the highest or the greatest power of a variable in a polynomial equation. The... View Article
Write the degree of the following polynomial: 5x3 + 4x2 + 7x
Answer: 3 A polynomial’s degree is the highest or the greatest power of a variable in a polynomial equation. The... View Article
Write the following cubes in expanded form: ((3/2) x + 1)3.
Answer: Given ((3/2)x + 1)3 Using identity, (x + y)3 = x3 + y3 + 3xy(x + y) ((3/2)x +... View Article
Write the following cubes in expanded form: (2a – 3b)3
Answer: Given (2a – 3b)3 Algebric identity (a – b)3 = a3 – b3 – 3ab (a – b) Using... View Article
Write the following cubes in expanded form: (2x + 1)3
Answer: Given (2x + 1)3 Algebric identity (a + b)3 = a3 + b3 + 3ab (a + b) Using... View Article
