Free Printable Y8 Simple Quadratic Euqations

1.

Solve the following equation: $x^2=4$

a)

2

b)

-2

c)

4

d)

-4

2.

Solve the following equation: $x^2=100$

a)

50

b)

20

c)

10

d)

-10

3.

Solve the following equation: $x^2=1$

a)

-0.5

b)

1

c)

0.5

d)

-1

4.

Solve the following equation: $x^2=144$

a)

12

b)

11

c)

13

d)

-12

e)

-11

5.

Solve the following equation: $x^2=256$

a)

14

b)

15

c)

16

d)

-15

e)

-16

6.

Solve the following equation: $x^2=900$

a)

30

b)

60

c)

300

d)

-30

e)

-60

7.

State the number of solutions for the following equation:
$x^2=100$

a)

0

b)

1

c)

2

d)

10

8.

State the number of solutions for the following equation:
$x^2=-4$

a)

0

b)

1

c)

2

d)

-2

9.

State the number of solutions for the following equation:
$x^2=0$

a)

0

b)

1

c)

2

d)

-2

10.

State the number of solutions for the following equation:
$x^2=-94$

a)

0

b)

1

c)

2

d)

-2

11.

State the number of solutions for the following equation:
$x^2=1$

a)

0

b)

1

c)

2

d)

-2

12.

The area of a square is 25 $m^2$ . Find its perimeter.

a)

25m

b)

20m

c)

10m

d)

5m

13.

A square mirror has an area of 1 m² . Find its perimeter.

a)

1m

b)

2m

c)

0.5m

d)

4m

14.

Solve this simple quadratic equation: $3 x^{2} = 3$

a)

3

b)

1

c)

0

d)

-3

e)

-1

15.

Solve this simple quadratic equation: $-3 x^{2} =-12$

a)

-1

b)

1

c)

-2

d)

2

e)

4

16.

Solve this simple quadratic equation: $7 x^{2} = 0$

a)

0

b)

1

c)

2

d)

-2

e)

-1

17.

Solve this simple quadratic equation: $-10 x^{2} = -1000$

a)

10

b)

100

c)

-100

d)

-10

e)

-1000

18.

Write the exact value solutions to the following equation:
$x^2=156$

a)

12.49

b)

13

c)

$\sqrt{156}$

d)

$-\sqrt{156}$

e)

-12.49

19.

Write the exact value solutions to the following equation:
$x^2=33$

a)

$-\sqrt{33}$

b)

5.74

c)

$\sqrt{33}$

d)

$-5.74$

e)

16.5

20.

solve $2x^2+1=9$

a)

- $\sqrt{5}$

b)

2

c)

$\sqrt{5}$

d)

3

e)

-2

Y8 Simple Quadratic Euqations

Total questions: 20

Worksheet time: 15mins

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