# Ulangan Harian 1 _ Bentuk Aljabar (Algebraic Expression)

20 Pertanyaan | Total Attempts: 38

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Tes ini dibuat oleh Purnawanto, S.Pd, M.Si guru Matematika SMP Negeri 1 Tebing Tinggi

• 1.
The coefficients for the variables a2 and ab2 in 2a2 – 4a + 4ab2 – 3b2  are, respectively ....
• A.

-4 and -3

• B.

-4 and 4

• C.

2 and 4

• D.

2 and -3

• 2.
The similar terms in 3p2q + 5pq2 + 3p2q2 – 4pq2 are ....
• A.

3p2q and -4pq2

• B.

3p2q and 3p2q2

• C.

3p2q2 and 5pq2

• D.

5pq2 and -4pq2

• 3.
The degree of the polynomial -4b2c2 + 5ac5 - abc is ....
• A.

3

• B.

4

• C.

5

• D.

6

• 4.
Find the sum (–5x + 6) + (–2x – 7) = ....
• A.

–7x + 13

• B.

–7x + 1

• C.

7x + 13

• D.

–7x – 1

• 5.
Find the sum (b3 – 3b2 + 5b) + (–4b3 + 3b2 – 8b) = ....
• A.

–3b3 – b2 – 3b

• B.

–3b3 – 3b

• C.

–3b3 – 3b + 1

• D.

–3b3 + b2 – 3b

• 6.
Refer to the diagram below. Find the area of the shaded region in simplest form.
• A.

3x2 + 42x

• B.

3x2 + 7x

• C.

3x2 + 7

• D.

3x2 + 42

• 7.
Find the product (3a + b)2.
• A.

6a2 - 6ab + b2

• B.

6a2 + 3ab + b2

• C.

9a2 - b2

• D.

9a2 + 6ab + b2

• 8.
Find the product (6 + 3b)(6 – 3b)
• A.

36 + 36b + 9b2

• B.

36 - 9b2

• C.

36 + 36b - 9b2

• D.

36 + 9b2

• 9.
Find the degree of the polynomial 22x5y + 13x7 + 4xy5 + x4y5
• A.

7

• B.

9

• C.

13

• D.

22

• 10.
Find the product j(j + 2).
• A.

J2 + 2

• B.

2j + 2

• C.

3j

• D.

J2 + 2j

• 11.
Find the product (2x – 4y)(-7x + 2y).
• A.

-5x – 2y

• B.

-14x2 + 32xy – 8y2

• C.

14x2 – 32xy + 8y2

• D.

5x + 2y

• 12.
Find the product of 3 – 4x and 3 + 4x.
• A.

6

• B.

9 – 16x2

• C.

6 + 8x

• D.

9 + 16x2

• 13.
Find the GCF of 36a2b and 81ab2
• A.

12ab

• B.

3a2b

• C.

9ab

• D.

3ab

• 14.
Factor the polynomial 6x2 + 2x.
• A.

3x(2x + 1)

• B.

2x(3x + 1)

• C.

2x2(3x + 1)

• D.

3x2(2x + 1)

• 15.
Factor the trinomial x2 – 11x – 42.
• A.

(x – 14)(x – 3)

• B.

(x – 14)(x +3)

• C.

(x + 14)(x + 3)

• D.

(x + 14)(x – 3)

• 16.
Factor the polynomial 3cd2 + 9b3.
• A.

Cannot be factored

• B.

3c(d2 + 3b3)

• C.

C(3d2 + 9b3)

• D.

3(cd2 + 3b3)

• 17.
Factor the trinomial x2 – 2x – 15 is ....
• A.

(x – 5)(x + 3)

• B.

(x – 2)(x – 7)

• C.

(x – 2)(x + 7)

• D.

(x – 5)(x – 3)

• 18.
Factor 10x2 + 23x + 6 is ....
• A.

(10x + 2)(x + 3)

• B.

(5x + 3)(2x + 2)

• C.

(5x + 2)(2x + 3)

• D.

(10x + 3)(x + 2)

• 19.
Factor the trinomial 4x2 + 12x + 9.
• A.

(2x + 3)2

• B.

(2x + 3)(3x + 2)

• C.

(2x + 3)(2x – 3)

• D.

(2x – 3)2

• 20.
The area of a square is x2 – 16x + 64 square units. Find the perimeter.
• A.

(4x – 32) units

• B.

(x – 8) units

• C.

(x + 8) units

• D.

(4x + 32) units