Math_Grade 9 Formative Assessment_Oct'15

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1 point

(-8) - (-5) = ?

-3

-13

1 point

(-5)(2)(-4)(-2)

-80

-60

1 point

Opposite of -18 ½ = ?

-81 ½

18 ½

81 ½

1 point

|1/2| = ?

1/2

-1/2

-2

1 point

4.2 - (-2.8) = ?

1.4

-7

-1.4

1 point

Solve 24a(1/2)

48a

12a

1 point

2(3 - 4) + 2

-4

1 point

What is the coefficient of 7x?

7 and x

1 point

If G = {2, 4, 6, 8, 10…}

then {28} _____ G

not ⊂ (not a subset of)

not E (not an element of)

⊂ (subset of)

E (element of)

10.

1 point

Solve (2)(5s)(3t)

10st

30st

11.

1 point

Opposite of 1/2 is

-1/2

-2/1

1/2

2/1

12.

1 point

If x=10, y=5

Find (-3y+2x)

-20

-5

13.

1 point

25/(-5) = ?

-5

-125

125

14.

1 point

4 - (-4) = ?

-8

15.

1 point

15 - [-3 - (2-8)] = ?

-12

-6

16.

1 point

(-1)(-1)(-1)(-1)(-1)(-1) = ?

-1

17.

1 point

(-27)/(-3)

-9

-30

-81

18.

1 point

(-3) - (-3) = ?

-6

19.

1 point

(12x)(4y) =

48xy

3xy

8xy

20.

1 point

(-23) + 7 = ?

-16

-30

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