Advertisements
Advertisements
प्रश्न
The variable in the expression 16x – 7 is __________
उत्तर
The variable in the expression 16x – 7 is x
APPEARS IN
संबंधित प्रश्न
Factorize: x3 + x - 3x2 - 3
Factorize: a2 + b2 + 2 (ab + bc + ca)
Factorize the following expressions:
`a^3 - 1/a^3 - 2a + 2/a`
8x3 + 27y3 - 216z3 + 108xyz
125 + 8x3 - 27 y3 + 90xy
If x + y = 4 and xy = 2, find the value of x2 + y2
If 3x + 5y = 11 and xy = 2, find the value of 9x2 + 25y2
If a2 + b2 + c2 = 20 and a + b + c = 0, find ab + bc + ca.
Separate the constants and variables from the following :
`-7,7+"x",7"x"+"yz",sqrt5,sqrt("xy"),(3"yz")/8,4.5"y"-3"x",`
8 −5, 8 − 5x, 8x −5y × p and 3y2z ÷ 4x
Write the number of the term of the following polynomial.
23 + a x b ÷ 2
Evaluate: (a2 + b2 + c2 - ab - bc - ca)(a + b + c)
Multiply: (2x - 3y)(2x + 3y)
Divide: 4a2 - a by - a
Divide: 4a2 + 4a + 1 by 2a + 1
Divide: 6x3 + 5x2 − 21x + 10 by 3x − 2
Write in the form of an algebraic expression:
Surface area of a cube is six times the square of its edge.
The largest number of the three consecutive numbers is x + 1, then the smallest number is ________
Match Column I with Column II in the following:
Column I | Column II |
1. The difference of 3 and a number squared | (a) 4 – 2x |
2. 5 less than twice a number squared | (b) n2 – 3 |
3. Five minus twice the square of a number | (c) 2n2 – 5 |
4. Four minus a number multiplied by 2 | (d) 5 – 2n2 |
5. Seven times the sum of a number and 1 | (e) 3 – n2 |
6. A number squared plus 6 | (f) 2(n + 6) |
7. 2 times the sum of a number and 6 | (g) 7(n + 1) |
8. Three less than the square of a number | (h) n2 + 6 |
Express the following properties with variables x, y and z.
Distributive property of multiplication over addition