prep3 Lesson Slides: 1 Slide (Grade 9)

1 Slide • 7 Questions

1

prep 3

prep 3 algebra first term unit 2 lesson 3

2

Multiple Choice

If x , 8 and x² are in proportion , Then x = …………

1

64

2

4

3

16

4

8

3

Multiple Choice

The proportional mean of

3ab^2

and

27a^3b^2

is .....

1

$\pm3ab$

2

$9a^2b^2$

3

3ab

4

$\pm9a^2b^2$

4

Multiple Choice

The third proportion of the two numbers 3 and 6 is ………..

1

12

2

3

$\frac{3}{2}$

4

18

5

Multiple Choice

If 1 , x , 9 , y are in continued proportion then Y = ……...

1

$\pm3$

2

3

$\pm27$

4

27

6

Multiple Choice

$if\ \frac{a}{b}=\frac{b}{c}=\frac{c}{3}=2$ then a = ……….

1

6

2

8

3

12

4

24

7

Multiple Choice

If 2, 6 , x + 15 are proportional then x = ……….

1

2

3

4

8

Multiple Choice

If L,M, Z are in continued proportion, then L = ……..

1

$\frac{M}{Z}$

2

$\frac{M^2}{Z}$

3

$\pm\sqrt{MZ}$

4

$\sqrt{MZ}$

prep 3

prep 3 algebra first term unit 2 lesson 3

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