EduSahara™ Assignment
Name : Finding Values of Expressions
Chapter : Algebraic Expressions
Grade : CBSE Grade VII
License : Non Commercial Use
Question 1
1.
    • The value of the polynomial
    • (
      7
      a
      +
      4
      )
    • at
    •  
    • a
    • =
    • (-3)
    • is
  • (i)
    -18
  • (ii)
    -14
  • (iii)
    -19
  • (iv)
    -17
  • (v)
    -16
Question 2
2.
    • The value of the polynomial
    • (
      3
      e
      2
       
      7
      e
      +
      3
      )
    • at
    •  
    • e
    • =
    • 5
    • is
  • (i)
    46
  • (ii)
    42
  • (iii)
    41
  • (iv)
    44
  • (v)
    43
Question 3
3.
    • The value of the polynomial
    • (
      6
      h
      3
       
      h
      2
       
      2
      )
    • at
    •  
    • h
    • =
    • 0
    • is
  • (i)
    0
  • (ii)
    -4
  • (iii)
    -1
  • (iv)
    -3
  • (v)
    -2
Question 4
4.
    • The value of the polynomial
    • (
      3
      n
      4
       
      9
      n
      3
       
      8
      n
      2
       
      +
      7
      n
      +
      2
      )
    • at
    •  
    • n
    • =
    • 4
    • is
  • (i)
    -1441
  • (ii)
    -1443
  • (iii)
    -1442
  • (iv)
    -1444
  • (v)
    -1440
Question 5
5.
    • The value of the polynomial
    • (
      4
      i
      )
    • at
    •  
    • i
    • =
    • (-2)
    • ,
    • j
    • =
    • 0
    • ,
    • k
    • =
    • (-3)
    •  
    • is
  • (i)
    6
  • (ii)
    10
  • (iii)
    7
  • (iv)
    8
  • (v)
    9
Question 6
6.
    • The value of the polynomial
    • 6
      u
    • at
    •  
    • s
    • =
    • 3
    • ,
    • t
    • =
    • 0
    • ,
    • u
    • =
    • 3
    •  
    • is
  • (i)
    15
  • (ii)
    19
  • (iii)
    17
  • (iv)
    20
  • (v)
    18
Question 7
7.
    • The value of the polynomial
    • (
      4
      k
      6
      )
    • at
    •  
    • i
    • =
    • 0
    • ,
    • j
    • =
    • 1
    • ,
    • k
    • =
    • 4
    •  
    • is
  • (i)
    -21
  • (ii)
    -22
  • (iii)
    -19
  • (iv)
    -23
  • (v)
    -25
Question 8
8.
    • The value of the polynomial
    • (
      3
      l
      n
      2
       
      +
      8
      m
      2
       
      )
    • at
    •  
    • l
    • =
    • (-3)
    • ,
    • m
    • =
    • (-5)
    • ,
    • n
    • =
    • 4
    •  
    • is
  • (i)
    341
  • (ii)
    343
  • (iii)
    344
  • (iv)
    347
  • (v)
    345
Question 9
9.
    • The value of the polynomial
    • (
      8
      d
      e
      f
      6
      d
      e
      +
      4
      e
      f
      )
    • at
    •  
    • d
    • =
    • 0
    • ,
    • e
    • =
    • (-5)
    • ,
    • f
    • =
    • (-2)
    •  
    • is
  • (i)
    41
  • (ii)
    37
  • (iii)
    40
  • (iv)
    39
  • (v)
    42
Question 10
10.
    • The value of the polynomial
    • (
      9
      f
      g
      h
      2
       
      +
      7
      f
      g
      +
      5
      g
      )
    • at
    •  
    • f
    • =
    • 4
    • ,
    • g
    • =
    • 1
    • ,
    • h
    • =
    • (-2)
    •  
    • is
  • (i)
    -111
  • (ii)
    -108
  • (iii)
    -110
  • (iv)
    -114
  • (v)
    -112
Question 11
11.
    • The value of the polynomial
    • (
      9
      o
      p
      q
      7
      q
      6
      )
    • at
    •  
    • o
    • =
    • (-2)
    • ,
    • p
    • =
    • (-1)
    • ,
    • q
    • =
    • 3
    •  
    • is
  • (i)
    -82
  • (ii)
    -83
  • (iii)
    -78
  • (iv)
    -80
  • (v)
    -81
Question 12
12.
    • The value of the polynomial
    • (
      9
      x
      2
       
      +
      4
      x
      y
      z
      2
       
      2
      y
      2
       
      )
    • at
    •  
    • x
    • =
    • (-3)
    • ,
    • y
    • =
    • (-2)
    • ,
    • z
    • =
    • (-2)
    •  
    • is
  • (i)
    170
  • (ii)
    172
  • (iii)
    169
  • (iv)
    168
  • (v)
    167
Question 13
13.
    • The value of the polynomial
    • 4
    • at
    •  
    • r
    • =
    • 5
    • ,
    • s
    • =
    • (-2)
    • ,
    • t
    • =
    • (-2)
    •  
    • is
  • (i)
    6
  • (ii)
    5
  • (iii)
    3
  • (iv)
    4
  • (v)
    2
Question 14
14.
    • The value of the polynomial
    • 0
    • at
    •  
    • e
    • =
    • (-3)
    • ,
    • f
    • =
    • (-3)
    • ,
    • g
    • =
    • (-1)
    •  
    • is
  • (i)
    -3
  • (ii)
    3
  • (iii)
    1
  • (iv)
    0
  • (v)
    -1
    Assignment Key

  •  1) (iv)
  •  2) (v)
  •  3) (v)
  •  4) (iii)
  •  5) (iv)
  •  6) (v)
  •  7) (ii)
  •  8) (iii)
  •  9) (iii)
  •  10) (i)
  •  11) (v)
  •  12) (iii)
  •  13) (iv)
  •  14) (iv)