Free Printable REVISION CLASS 10TH

1.

$Equation\ ax^2+bx+c=\ 0\ has\ equal\ roots\$ Roots

a)

$b^2-4ac>0$

b)

$b^2-4ac=0$

c)

$b^2-4ac<0$

d)

$None$

2.

Product of two consecutive number is 72 than numbers are

a)

4,18

b)

8,9

c)

6,12

d)

3,24

3.

if a,b,c are in A.P. than

a)

b=a+c

b)

2b=a+c

c)

$b\sqrt{ac}$

d)

b=ac

4.

A.P. 2,4,6,--- Find the sum of 10 terms

a)

110

b)

120

c)

125

d)

100

5.

$n^{th}\$ term of AP is a+(n-1)d

a)

true

b)

false

6.

Sum of the all odd number between 0 to 50 is 625

a)

620

b)

625

c)

600

d)

400

7.

In the quadratic formula, if b²-4ac>0, then the quadratic equation has

a)

two imaginary solutions

b)

two different real solutions

c)

two equal real solutions

d)

none of these

8.

In the quadratic formula, the expression
b²-4ac is called

a)

discrim

b)

determinant

c)

discriminant

d)

none of these

9.

The solution of the quadratic equation
4x²-5x-9=0 are

a)

x=-1 or x=9/4

b)

x=1 or x=9/4

c)

x=2 or x=3

d)

x=-2 or x=-3

10.

The graph of a quadratic function is called

a)

a line

b)

a hyperbola

c)

a parabola

d)

a cubic

11.

What are the green dots called?

a)

axis of symmetry

b)

vertex

c)

parabola

d)

roots or x-intercepts

12.

What are the zeros?

a)

x= 0 and x= -4

b)

x= 0 and x= 4

c)

y= 0

d)

x= 2

13.

Given that the equation (k + 1)x² - 4x +9 = 0 has two different roots. Determine the range of values of k.

a)

k < - 5/9

b)

k > - 5/9

c)

k = 0

14.

The sum of the roots of the equation x² - 6x +2 = 0

a)

2

b)

-2

c)

6

d)

-6

15.

The perimeter of a rectangle is 82m and its area is 400m². The breadth of the rectangle is _________

a)

25m

b)

20m

c)

16m

d)

9m

16.

If $\alpha$ and $\beta$ are the roots of the equation 3 $x^2$ + 8x +2 = 0 then $\left(\frac{1}{\alpha}+\frac{1}{\beta}\right)$ = ____________

a)

$\frac{-3}{8}$

b)

$\frac{2}{3}$

c)

-4

d)

4

17.

Choose the correct answer from the given four options:
In an AP, if a = 3.5, d = 0, n =101 ,then a_n will be

a)

0

b)

3.5

c)

-3.5

d)

1

18.

If 7 times the 7th term of an AP is equal to 11 times its 11th term, then its 18th term will be

a)

7

b)

11

c)

18

d)

0

19.

Which term of an AP 72, 63, 54, ...... is 0 ?

a)

8^th

b)

9^th

c)

10^th

d)

11^th

20.

Formula to find sum of n terms in an AP is ________

a)

sn = a+ (n - 1)d

b)

$s_n$ = $\frac{n}{2}$ (a +(n-1)d)

c)

$s_n$ = $\frac{n}{2}$ (2a +(n-1)d)

d)

$s_n$ = $\frac{n}{2}$ (2a +(n+1)d)

REVISION CLASS 10TH

Total questions: 20

Worksheet time: 40mins

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