Terms of Expression
Trending Questions
Radha is drawing a dot Rangoli (a beautiful pattern of lines joining dots with chalk powder as shown in figure). She has 9 dots in a row. How many dots will her Rangoli have for r rows? How many dots are there if there are 8 rows? If there are 10 rows?
Get the algebraic expression in the following case using variables, constants and arithmetic operations:
Sum of numbers a and b subtracted from their product.
Let Kanika's present age be x years. Complete the following table, showing ages of her relatives.
Situation (described in ordinary language)Expression(i)Her brother is 2 years younger.−−−(ii)Her father's age exceeds her age by 35 years.−−−(iii)Mother's age is 3 years less than that of her father.−−−(iv)Her grandfather's age is 8 times of her age.−−−
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(a) Identify terms which contain x and give the coefficient of x.
(i) y2x + y (ii) 13y2− 8yx (iii) x + y + 2
(iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy2 + 25
(vii) 7x + xy2
(b) Identify terms which contain y2 and give the coefficient of y2.
(i) 8 − xy2 (ii) 5y2 + 7x (iii) 2x2y −15xy2 + 7y2
2x2+31y−5xy [2 MARKS]
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Identify the terms of expression 4pq + p - q - r.
4, p, q, r
4pq, p, q, r
4pq, p, -q, r
4pq, p, -q, -r
2x and (−12) are
(1) b in 5ab
(2) p in -3/5 pq
Question 2
Out of the four options, only one is correct. Write the correct answer.
Number of terms in the expression 3x2y−2y2z−z2x+5 is
(a) 2
(b) 3
(c) 4
(d) 5
Question 3
Out of the four options, only one is correct. Write the correct answer.
The tems of expression 4x2−3xy are
(a) 4x2 and -3xy
(b) 4x2 and 3xy
(c) 4x2 and -xy
(d) x2 and xy
The coefficient of the term xy3 in the expression 5x3+10xy3 is
Fill in the blanks:
In algebra, we use _____ to represent variables (generalized numbers).
Write the numerical coefficient of each term of the expression :
Identify the terms, coefficients, and constants for the expression: .
- True
- False
- ab
- 2ab
- -ab
- 3ab
Write the coefficient of :-
in
- 2x
- None of these
- 2x+5
- 5x+2
Choose the constant term in the expression "x4 - 6x2 + 2x - 3".
-3
1
3
-6
The coefficient of xy in the expression '12xy + 6' is
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The coefficient of xy in the expression '12xy + 6' is
(i) −5xy
(ii) 2xy2z
(iii)
Write the coefficients and terms of the algebraic expression 10x2−5x−6. Also, find the value of the expression at x=2. [2 MARKS]
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