if the value of x + y  =11 and xy= 28, then the value of $x^2 + y^2$ is
  • 65
  • 100
  • 45
  • 56
which of these is a binomial?
  • $3a^2 + 7b + 2c$
  • $4 \times a + a$
  • $pqr+2pq+5pqr$
  • $8 - y -5x$
The value of $a(a+ b^2 +c) – b^2(a+b+c) -c (a+b^2)$ is
  • $a^2 -b^3 -2b^2c$
  • $a^2 - b^3$
  • $ a^2 – 2b^2c$
  • None of these
if $a + \frac {1}{a}=5$, then the value $a^2 + \frac {1}{a^2}$ is
  • 27
  • 23
  • 25
  • 24
Common factor of $11pq^2$, $121p^2q^3$, $1331p^2q$ is
  • $11p^2q^2$
  • $11p^2q$
  • $11pq^2$
  • $11pq$
Find the value of x if $.07 x = 1.07^2 -1^2$
  • 1.07
  • 2.07
  • .07
  • 3.07
Match the column
class8-maths-chapter-9-mcq.png
  • p -> iv, q -> iii , r -> i, s ->iii
  • p -> ii, q -> i , r -> iv, s ->iii
  • p -> iii, q -> iv , r -> i, s ->ii
  • p -> i, q -> iv , r -> iii, s ->ii
If m – n = 16 and $m^2 + n^2 = 400$, then find mn.
  • 120
  • 144
  • 121
  • 160
Which of the following is a linear algebraic expression?
  • 2x + 3
  • 3 − x2
  • 2x + 3 = 10
  • 3 − x2 = 7
Which of the following is an linear algebraic equation?
  • 2x + 3
  • 3 − x2
  • 2x + 3 = 10
  • 3 − x2 = 7
How many terms are there in the expression 3x + y - 8z − 2 ?
  • 3
  • 4
  • 8
  • 9
What is the coefficient of x in the expression 3x + y - 8z − 2 ?
  • 3
  • −3
  • 3x
  • −3x
What is the coefficient of z in the expression 3x + y - 8z − 2 ?
  • 8
  • −8
  • 8z
  • −8z
What is the constant in the expression 3x + y - 8z − 2 ?
  • y
  • 2
  • −2
  • none of the above
What does Factorise mean?
  • To make it as simple as possible
  • To expand and multiply (remove brackets)
  • To put them into factors by taking out common factors (put brackets)
  • To find the value of the unknown
What does Solve mean?
  • To make it as simple as possible
  • To expand and multiply (remove brackets)
  • To put them into factors by taking out common factors (put brackets)
  • To find the value of the unknown
What does Simplify mean?
  • To make it as simple as possible
  • To expand and multiply (remove brackets)
  • To put them into factors by taking out common factors (put brackets)
  • To find the value of the unknown
What does Expand mean?
  • To make it as simple as possible
  • To expand and multiply (remove brackets)
  • To put them into factors by taking out common factors (put brackets)
  • To find the value of the unknown
Simplify2a + a
  • 3a
  • 2a
  • 2a2
Simplifyh + h + h
  • h3
  • hhh
  • 3h
0 h : 0 m : 1 s

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