Quiz about matematik tingkatan 4 ( kuadratik 2 )

Question 1

Diberi persamaan kuadratik x²+ 3x - 18 = 0. Cari nilai-nilai x.

Accepted Answer

x = 3, x = -6

Answer

x = 3, x = 6

Answer

x = -3, x = 6

Answer

x = -3, x = -6

Question 2

Diberi persamaan kuadratik x²- 2x - 8 = 0. Cari nilai-nilai x.

Accepted Answer

x = -2, x = 4

Answer

x = 2, x = 4

Answer

x = 2, x = -4

Answer

x = -2, x = -4

Question 3

Diberi persamaan kuadratik x²- 13x + 42 = 0. Cari nilai-nilai x.

Accepted Answer

x = 7, x = 6

Answer

x = 7, x = -6

Answer

x = -7, x = 6

Answer

x = -7, x = -6

Question 4

Diberi persamaan kuadratik x²+ 20x + 96 = 0. Cari nilai-nilai x.

Accepted Answer

x = -8, x = -12

Answer

x = 8, x = 12

Answer

x = 8, x = -12

Answer

x = -8, x = 12

Question 5

Diberi persamaan kuadratik 2x²+ 10x - 28 = 0. Cari nilai-nilai x.

Accepted Answer

x = 2, x = -7

Answer

x = 2, x = 7

Answer

x = -2, x = 7

Answer

x = -2, x = -7

Question 6

Diberi persamaan kuadratik 2x²-18x + 40 = 0. Cari nilai-nilai x.

Accepted Answer

x = 4, x = 5

Answer

x = 4, x = -5

Answer

x = -4, x = 5

Answer

x = -, x = -5

Question 7

Diberi persamaan kuadratik 2x²+ 6x - 56 = 0. Cari nilai-nilai x.

Accepted Answer

x = -7, x = 4

Answer

x = 7, x = 4

Answer

x = 7, x = -4

Answer

x = -7, x = -4

Question 8

Diberi persamaan kuadratik 2x²+ 32x + 126 = 0. Cari nilai-nilai x.

Accepted Answer

x = -7, x = -9

Answer

x = 7, x = 9

Answer

x = 7, x = -9

Answer

x = -7, x = 9

Question 9

Diberi persamaan kuadratik 6x²+ 36x + 48 = 0. Cari nilai-nilai x.

Accepted Answer

x = -2, x = -4

Answer

x = 2, x = 4

Answer

x = 2, x = -4

Answer

x = -2, x = 4

Question 10

Diberi persamaan kuadratik 3x²+ 6x - 45 = 0. Cari nilai-nilai x.

Accepted Answer

x = 3, x = -5

Answer

x = 3, x = 5

Answer

x = -3, x = 5

Answer

x = -3, x = -5

Question 11

Faktorkan selengkapnya 2x² + 6x

Accepted Answer

2x ( x + 3)

Answer

x(2x + 6)

Answer

2x ( x + 6)

Answer

2(x² + 3x)

Question 12

Faktorkan selengkapnya 3x² - 12x

Accepted Answer

3x ( x - 4)

Answer

x (3x - 12)

Answer

3(x² - 12x)

Answer

3x ( x + 4)

Question 13

Faktorkan selengkapnya x² - 16

Accepted Answer

(x - 4) ( x + 4)

Answer

(x - 4) (x - 4)

Answer

(x + 4) ( x + 4)

Answer

( 4 - x ) ( 4 + x)

Question 14

Faktorkan selengkapnya 2x² - 18

Accepted Answer

2(x + 3) (x - 3)

Answer

(x - 3) ( 2x + 6)

Answer

2(x<sup>2</sup> - 9)

Answer

(2x - 6) ( x + 3)

Question 15

(m + 3) (m + 4)

Accepted Answer

m² + 7m + 12

Answer

m² + 7m + 7

Answer

m² + 12m + 12

Answer

m² + 12m +7

Question 16

(2m + 1) (3m + 4)

Accepted Answer

6m²+11m +4

Answer

6m² +12m +4

Answer

6m² +9m + 4

Answer

6m² +14m + 4

Question 17

3m(m + 4) - ( - m - 3)²

Accepted Answer

2m²+ 6m - 9

Answer

2m² - 6m - 9

Answer

4m² - 6m + 9

Answer

4m² - 18m + 9

Question 18

3 ( m + 2 ) - ( 1 - 2m)²

Accepted Answer

5 + 7m - 4m²

Answer

1 + 3m - 4m²

Answer

1 + 7m + 4m²

Answer

5 + 3m + 4m²

Question 19

Diberi bahawa (2m + 5) (2m + 6) = 0. Maka nilai-nilai m

Accepted Answer

m = - 5/2 , -3

Answer

m = 5/2 , -3

Answer

m = - 5/2 , 3

Answer

m = 5/2 , 3

Question 20

Punca-punca bagi persamaan kuadratik (2 + 4m) (3 - 12m) = 0 adalah

Accepted Answer

m = - 1/2 , 1/4

Answer

m = 1/2 , 1/4

Answer

m = - 1/2 , - 1/4

Answer

m = 1/2 , - 1/4

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