- A20x
- Bx - 20
- C20 - x
- D20 + x
More Questions on Algebraic Expressions and Identities
What is the numerical factor of a term?
→ 2If a = 1, b = 2, what is a + b?
→ 3Combine like terms: 9m - 4m + 2n
→ 4"Half of a number x" can be written as:
→ 5Which expression has exactly one term?
→ 6What is the coefficient of the term '3pq'?
→ 7The value of an expression changes with the change in the value of its:
→ 8If x = 5, what is x + x + 2?
→ 9Simplify: 7x - 2y + 5x
→ 10Which expression means 3 times a number y?
→ 11Which of these represents a constant?
→ 12What is the constant term in 3x + 4y?
→ 13If m = 2, calculate 3m - m.
→ 14What is the sum of 5a, 2a, and a?
→ 15Form an expression for "the total number of days in w weeks".
→ 16Identify the like term for 4x from the list: 4y, 2x, 4, xz
→ 17An expression 2x + 7 is called a:
→ 18What is the coefficient of 'ab' in the term 'ab'?
→ 19Which of the following is an algebraic identity?
→ 20If x = 10, what is the value of x/2 + 3?
→ 21Simplify: x + x + x + y
→ 22Write the expression for "double a number n, then add 5".
→ 23Which pair is not a pair of like terms?
→ 24Which statement is an identity?
→ 25How many terms in the expression 3x² + 2x - 1?
→ 26What is the coefficient of y in the expression 5 - 2y?
→ 27What is a constant?
→ 28If y = 8, calculate 20 - y.
→ 29Add: (x + 2y) + (3x - y)
→ 30Form an expression for "a number increased by 6".
→ 31Which is an example of an unlike term for 8pq?
→ 32Which expression has two terms?
→ 33What is the coefficient of 'xyz' in 'xyz'?
→ 34An algebraic expression can have:
→ 35If c = 10, what is the value of c - 5?
→ 36Simplify: 10a + 4b - 3a - b
→ 37Write an expression for "the cost of x pencils if each pencil costs 5 rupees".
→ 38Which pair of terms are like terms?
→ 39What is the coefficient of x in the expression x/5?
→ 40What is the meaning of the product 'ab'?
→ 41If a = 2, what is a + a + a?
→ 42Subtract 4 from 9m.
→ 43Form an expression for "the sum of two numbers x and y, minus 7".
→ 44Which terms are not like terms?
→ 45The expression "x plus y plus z" has how many terms?
→ 46In the term 11pq, what is the coefficient?
→ 47What is represented by a letter in an algebraic expression?
→ 48If p = 5, what is 3p + 2?
→ 49Simplify: 8k + 2k - 5k
→ 50"The quotient of p and 4" is written as:
→ 51Which is a pair of unlike terms?
→ 52How many terms in 2ab - 3c + 4?
→ 53Which of these is a variable term?
→ 54In 5 + 3y, which is the constant?
→ 55Find the value of 10 - x if x = 3.
→ 56What is the sum of 6xy and 3xy?
→ 57The expression for "2 less than twice a number x" is:
→ 58Which of the following terms is like 9m?
→ 59Which expression is NOT a simple algebraic expression?
→ 60What is the coefficient of a in the term 'a'?
→ 61An identity is an equation that is true for:
→ 62If k = 0, what is the value of 5k + 8?
→ 63Simplify: (4x + 3y) - (2x + y)
→ 64"Thrice a number p" can be written as:
→ 65How many terms are there in the expression a + b + c?
→ 66What is the numerical part of the term -7y?
→ 67In the expression x + 12, x is a:
→ 68If m = 1, what is the value of 10m?
→ 69Combine like terms: 4x + 7 - x + 2
→ 70Write the expression for "a number n divided by 3".
→ 71Which expression has three terms?
→ 72The value of a variable can:
→ 73If y = 6, what is the value of 2y + 5?
→ 74Simplify: 6p - p + 3p
→ 75"Product of a and b, added to 5" can be written as:
→ 76Which pair are like terms?
→ 77Identify the terms in the expression 2x + 5y - 8.
→ 78What is the constant in the expression 10 - 3m?
→ 79Which statement is true about algebraic expressions?
→ 80If a = 10, find the value of a / 2.
→ 81Subtract 2y from 7y.
→ 82Write an expression for "one-fourth of a number n".
→ 83Which of these expressions is equivalent to 3x + 2x?
→ 84How many terms in the expression pqr?
→ 85What is the numerical part of a term called?
→ 86What describes 'x' in 3x + 2?
→ 87If x = 1 and y = 2, what is the value of x + y?
→ 88Add the expressions: (3a + 2b) and (5a - b)
→ 89Which pair represents like terms?
→ 90Which of the following is not a term in the expression 3x + 4y - 5?
→ 91In 15 - 4x, what is the coefficient of x?
→ 92Evaluate 5z - 1 when z = 3.
→ 93Simplify: 7p + 2q - 3p
→ 94Translate "twice a number y" into an expression.
→ 95Identify the like term for 6ab from the options.
→ 96Which of these is a constant?
→ 97How many terms are there in the expression 5xy?
→ 98What is the coefficient of the term 'y' in the expression y + 8?
→ 99If m = 5, find the value of m - 2.
→ 100Simplify: 10x - 3x + x
→ 101Write an expression for "the sum of p and q".
→ 102In the expression 7m + n, what is the coefficient of n?
→ 103Which of the following expressions has 2 terms?
→ 104What is the value of 4 + x if x = 7?
→ 105Combine like terms: 2a + 3b + 5a
→ 106The expression for "5 less than x" is:
→ 107Identify the constant in the expression 9p - 2q + 6.
→ 108What is the coefficient of y in the expression 12y - 1?
→ 109Which term represents the product of 7 and y?
→ 110If a = 4, what is the value of 2a + 3?
→ 111Simplify the expression: 5m + 3m
→ 112Write the expression for "x increased by 10".
→ 113How many terms are there in the expression 3a + 2b - 7?
→ 114In the expression 6x + 5, what is the constant term?
→ 115What is a letter used to represent an unknown value called?
→ 116Factorize completely: a^4 – 4a²b² + 4b^4
→ 117Calculate the volume of a cuboidal box whose dimensions are 5x, 3x², and 7x^4.
→ 118Shiv works in a mall and gets paid Rs 50 per hour. Last week he worked for 7 hours and this week he will work for x hours. Write an algebraic expression for the money paid to him for both the weeks.
→ 119Rohan's mother gave him Rs 3xy² and his father gave him Rs 5(xy² + 2). Out of this total money, he spent Rs (10 – 3xy²) on his birthday party. How much money is left with him?
→ 120What should be subtracted from 2x³ – 3x²y + 2xy² + 3y³ to get x³ – 2x²y + 3xy² + 4y³?
→ 121How much is 21a³ – 17a² less than 89a³ – 64a² + 6a + 16?
→ 122Arjun bought a rectangular plot with length x and breadth y and then sold a triangular part of it whose base is y and height is z. Find the area of the remaining part of the plot.
→ 123Sonu and Raj have to collect different kinds of leaves for a science project. They go to a park where Sonu collects 12 leaves and Raj collects x leaves. After some time, Sonu loses 3 leaves and Raj collects 2x more leaves. Write an algebraic expression to find the total number of leaves collected by both of them.
→ 124Amisha has a square plot of side m and another triangular plot with base and height each equal to m. What is the total area of both plots?
→ 125Using identities, evaluate 8.56 × 11.60
→ 126The area of a rectangle is uv, where u is the length and v is the breadth. If the length is increased by 5 units and the breadth is decreased by 3 units, find the new area of the rectangle.
→ 127The cost of one pen is (x + 3) rupees and the cost of one pencil is (x – 2) rupees. Find the total cost of 4 pens and 5 pencils.
→ 128Simplify: [(a + b)² – (a – b)²] ÷ (2ab)
→ 129Simplify: (x + y)² + (y + z)² + (z + x)² – (x² + y² + z²)
→ 130Factorize: (x² + 2x + 1) – (y² + 2y + 1)
→ 131If the sum of two numbers is (a + b) and their difference is (a – b), find the product of the numbers.
→ 132The side of a square is (x + 3). Find the expression for its area.
→ 133Find the value of (3x + 4)² when x = 2.
→ 134Simplify: (p + q)² – (p – q)²
→ 135Add: (3x² + 5x + 7) and (4x² – 2x + 3)
→ 136Find the value of 2x + 3y when x = 4 and y = 5.
→ 137Identify the coefficient of x² in the expression 5x² + 3x + 7
→ 138Subtract 5xy(x + y − 5) from x(6x² − 7y + 5) + xy(x + y)
→ 139What must be added to the sum of (x² − 4x + 7) and (2x² + 5x − 9) to get 0?
→ 140Rohan purchased a rectangular plot whose two adjacent sides are (y – 6x + 32 + 8) and (x – 2y – 5z – 8). He wants to put a wire fence twice around it. Find the total length of wire needed.
→ 141What will be the product if we multiply double of (x − 2/x) by triple of (x + 2/x)?
→ 142What should be subtracted from 3a + 7b – 10 to get –2a – 7b + 9?
→ 143Determine the product of (3a + 2b) and (9a² – 6ab + 4b²).
→ 144What is the sum of ab, a + b, and b + ab?
→ 145Simplify 7x²(3x – 9) + 3 and find its value for x = 4 and x = 6.
→ 146Find the value of x, if 10000x = (9982)² – (18)²
→ 147Find the value of (38² − 22²) / 16 using a suitable identity.
→ 148Verify that (11pq + 4q)² – (11pq – 4q)² = 176pq²
→ 149Multiply (x² + 2y) by (x³ – 2xy + y³) and find the value of the product for x = 1 and y = –1.
→ 150Multiply (6x² – 5x + 3) by (3x² + 7x – 3)
→ 151Multiply (3x² + 5y²) by (5x² – 3y²)
→ 152Subtract: (4x + 5) from (−3x + 7)
→ 153Add: 8x² + 7xy – 6y², 4x² – 3xy + 2y² and -4x² + xy – y²
→