untitled: Materi 3 Slide dan 8 Soal

3 Slides • 8 Questions

1

2

3

Contoh 1

Tentukan akar-akar penyelesaian dari bentuk

a=1, b=5, c=4

Perhatikan nilai a, b, dan c, kemudian substitusi ke Rumus Kuadratik

4

Multiple Choice

Nilai a pada persamaan kuadrat $x^2+2x-3=0$ adalah

1

2

3

4

-3

5

Multiple Choice

Nilai b pada persamaan $x^2-4x+3=0$ adalah ....

1

4

2

3

1

4

-4

6

Multiple Choice

Nilai c pada persamaan $x^2+2x+1=0$ adalah ....

1

0

2

1

3

2

4

3

7

Multiple Choice

Bentuk umum dari persamaan kuadrat adalah ...

1

$ax^2+bx+c=0$

2

$ax^2-bx+c=0$

3

$ax^2+bx-c=0$

4

$ax^2-bx-c=0$

8

Multiple Choice

Nilai a,b, c berturut-turut dari 2x²-5x-12=0 adalah...

1

2,5 dan 12

2

2,-5 dan 12

3

2,-5 dan -12

4

2,5 dan -12

9

Multiple Choice

Diketahui persamaan kuadrat 2x²+5x-12=0. Nilai dari a+b+c adalah

1

19

2

-19

3

5

4

-5

10

Multiple Choice

Bentuk pemfaktoran dari persamaan kuadrat 2x²+11x+15=0 adalah

1

(2x+5)(x+3)=0

2

(2x+3)(x+5)=0

3

(x+3)(x+5)=0

4

(x+5)(2x-3)=0

11

Multiple Choice

Akar-akar dari persamaan kuadrat 2x²-8x-10=0 adalah

1

1 dan 5

2

-1 dan 5

3

1 dan -5

4

-1 dan -5

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