2:Number of terms in the expression 3x2y -2y2z-z2x+ 5 is*
(a) 2
(b) 3
(c) 4
(d) 5
3:The terms of expression 4x2 -3xy are *
(a) 4x2 and -3xy
(b) 4x2 and 3xy
(c) 4x2 and -xy
(d) x2 and xy
4:Factors of -5x2y2z are *
(a) -5 x x x y x z
(b) -5 x x2 x y x z
(c) -5 x x x x x y x y x z
(d) -5 x x x y x z2
5.Coefficient of x in -9xy2z is *
(a) 9 yz
(b) -9 yz
(c) 9 y2z
(d) -9 y2z
6.Which of the following is a pair of like terms? *
(a) -7xy2z, -7x2yz
(b) -10xyz2, 3xyz2
(c) 3xyz, 3x2y2z2
(d) 4xyz2, 4x2yz
7:Identify the binomial out of the following *
(a) 3xy2 + 5y – x2y
(b) x2y-5y-x2y
(c) xy + yz + zx
(d) 3xy2 + 5y-xy2
8:The subtraction of 5 times of y from x is *
(a) 5x-y
(b) y-5x
(c) x-5y
(d) 5y-x
9:-b- 0 is equal to *
(a) -1 x b
(b) 1-b-0
(c) 0-(-1) x b
(d) -b—0 —
10:The side length of the top of square table is x. The expression for perimeter is *
(a) 4 + x
(b) 2x
(c) 4x
d) 8x
11:The number of scarfs of length half metre that can be made from y metres of cloth is*
(a) 2y
(b) y/2
(c) y + 2
(d) y + ½
12: 123x2y-138x2y is a like term of *
(a) 10xy
(b) -15xy
(c)-15xy2
(d) 10x2y
13:The value of 3x2 – 5x + 3, when x=1 is *
(a) 1
(b) 0
(c)-1
(d)11
14:The expression for the number of diagonals that we can make from one vertex of a n-sided polygon is *
(a) 2n +1
(b) n -2
(c) 5n + 2
(d)n-3
15:The length of a side of square is given as 2x+3. Which expression represents the perimeter of the square? *
1 point
(a) 2x +16
(b) 6x + 9
(c) 8x + 3
(d) 8x + 12
16:x is a non-zero rational number. Product of the square of x with the cube of x is equal to the *
(a) second power of x
(b) third power of x
(c) fifth power of x
(d) sixth power of x
17:(1° + 2° + 3°) is equal to *
(a) 0
(b) 1
(c) 3
(d) 6
18:Which of the following is equal to 1? *
(a) 2° + 3° + 4°
(b) 2° x 3° x 4°
(c) (3° -2°) x 4°
(d) (3° – 2°) x (3° + 2°)
19:The angles between North and West and South and East are *
(a) complementary
(b) supplementary
(c) both are acute
(d) both are obtuse
20:If the complement of an angle is 79°, then the angle will be of *
(a) 1°
(b) 11°
(c) 79°
(d) 101
Answers
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Answer:
Here's your answer mate
Step-by-step explanation:
2_ 4
3_ 4x2 and -3xy
4_ sorry don't know
5_ 9y^2z
6_ -7xy2z , -7x2yz
7_ 3xy2+5y-xy2
8_ x-5y
9_ -1*b
10_ 4x
11_ 2y
12_ -15x2y
13_ 1
14 n-3
15_ 8x+12
16_ fifth power of x
17_ 3
18_ 2°×3°×4°
19_ supplementary
20_ 11°
hope it helps you
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