Kuis Jenis-jenis akar

Question 1

Manakah yang merupakan persamaan kuadrat murni?

Accepted Answer

x² − 16 = 0

Answer

x² + 3x = 0

Answer

x² + 5x + 6 = 0

Answer

2x² − x = 0

Question 2

Persamaan 3x² − 12x = 0 termasuk persamaan kuadrat ...

Accepted Answer

Tak lengkap

Answer

Murni

Answer

Lengkap

Answer

Bukan persamaan kuadrat

Question 3

Akar-akar persamaan x² − 16 = 0 adalah ...

Accepted Answer

x = 4 dan x = −4

Answer

x = 16 dan x = −16

Answer

x = 8 dan x = −8

Answer

x = 4 saja

Question 4

Akar-akar persamaan 2x² + 6x = 0 adalah ...

Accepted Answer

x = 0 dan x = −3

Answer

x = 0 dan x = 3

Answer

x = 3 dan x = −3

Answer

x = 0 dan x = −6

Question 5

Nilai diskriminan persamaan x² + 4x + 3 = 0 adalah ...

Accepted Answer

4

Answer

28

Answer

−4

Answer

0

Question 6

Nilai diskriminan persamaan 2x² − 3x − 5 = 0 adalah ...

Accepted Answer

49

Answer

−31

Answer

9

Answer

31

Question 7

Persamaan x² − 6x + 9 = 0 memiliki jenis akar ...

Accepted Answer

Akar kembar (real dan sama)

Answer

Dua akar real berbeda

Answer

Tidak ada akar real

Answer

Dua akar real irasional

Question 8

Persamaan x² + x + 1 = 0 memiliki jenis akar ...

Accepted Answer

Tidak ada akar real karena D = −3

Answer

Dua akar real berbeda karena D = 3

Answer

Akar kembar karena D = 0

Answer

Dua akar real rasional karena D = 1

Question 9

Persamaan x² − 5x + 6 = 0 memiliki diskriminan dan akar-akar ...

Accepted Answer

D = 1; x = 2 dan x = 3

Answer

D = 49; x = 2 dan x = 3

Answer

D = 1; x = −2 dan x = −3

Answer

D = 11; akar-akarnya irasional

Question 10

Persamaan x² − 2x − 1 = 0 memiliki diskriminan dan akar-akar ...

Accepted Answer

D = 8; x = 1 + √2 dan x = 1 − √2

Answer

D = 0; x = 1 (akar kembar)

Answer

D = −8; tidak ada akar real

Answer

D = 8; x = 2 + √2 dan x = 2 − √2

Question 11

Persamaan 2x² + 3x + 5 = 0 memiliki diskriminan dan jenis akar ...

Accepted Answer

D = −31; tidak ada akar real

Answer

D = 49; dua akar real berbeda

Answer

D = 31; dua akar real irasional

Answer

D = −31; akar kembar

Question 12

Persamaan kuadrat memiliki akar kembar jika ...

Accepted Answer

D = 0

Answer

D > 0

Answer

D < 0

Answer

D ≥ 0

Question 13

Persamaan kuadrat memiliki dua akar real yang berbeda jika ...

Accepted Answer

D > 0

Answer

D < 0

Answer

D = 0

Answer

D < 0 atau D = 0

Question 14

Persamaan kuadrat memiliki dua akar real berbeda dan rasional jika ...

Accepted Answer

D > 0 dan D kuadrat sempurna

Answer

D > 0 dan D bukan kuadrat sempurna

Answer

D = 0

Answer

D < 0

Question 15

Persamaan kuadrat dengan nilai diskriminan berikut yang memiliki akar-akar irasional adalah ...

Accepted Answer

D = 13

Answer

D = 0

Answer

D = 16

Answer

D = 49

Question 16

Akar persamaan x² + 6x + 9 = 0 adalah ...

Accepted Answer

x = −3 (akar kembar)

Answer

x = −3 dan x = 3

Answer

x = 3 (akar kembar)

Answer

Tidak ada akar real

Question 17

Persamaan x² + kx + 4 = 0 memiliki akar kembar untuk nilai k ...

Accepted Answer

k = 4 atau k = −4

Answer

k = 2 atau k = −2

Answer

k = 8 atau k = −8

Answer

k = 16 saja

Question 18

Persamaan x² − 4x + k = 0 memiliki akar kembar jika k = ...

Accepted Answer

4

Answer

2

Answer

8

Answer

16

Question 19

Persamaan x² + 2x + m = 0 tidak memiliki akar real jika ...

Accepted Answer

m > 1

Answer

m < 1

Answer

m = 1

Answer

m ≤ 1

Question 20

Persamaan x² − 6x + k = 0 memiliki dua akar real berbeda jika ...

Accepted Answer

k < 9

Answer

k > 9

Answer

k = 9

Answer

k ≤ 9

Question 21

Persamaan 5x² − 7x + 2 = 0 termasuk persamaan ...

Accepted Answer

Lengkap; D = 9; dua akar real berbeda dan rasional

Answer

Lengkap; D = 89; dua akar real irasional

Answer

Tak lengkap; D = 9; dua akar real rasional

Answer

Lengkap; D = −9; tidak ada akar real

Question 22

Akar-akar persamaan x² + 7x + 12 = 0 adalah ...

Accepted Answer

x = −3 dan x = −4

Answer

x = 3 dan x = 4

Answer

x = −3 dan x = 4

Answer

x = 3 dan x = −4

Question 23

Akar-akar persamaan 3x² − x − 2 = 0 adalah ...

Accepted Answer

x = 1 dan x = −2/3

Answer

x = 1 dan x = 2/3

Answer

x = −1 dan x = 2/3

Answer

x = −1 dan x = −2/3

Question 24

Persamaan x² − 3 = 0 memiliki jenis akar ...

Accepted Answer

Dua akar real berbeda dan irasional

Answer

Dua akar real berbeda dan rasional

Answer

Akar kembar

Answer

Tidak ada akar real

Question 25

Pernyataan yang benar tentang persamaan x² + 4x + 5 = 0 adalah ...

Accepted Answer

Tidak memiliki akar real karena D = −4

Answer

Memiliki akar kembar

Answer

Memiliki dua akar real berbeda

Answer

Memiliki dua akar rasional

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Kuis Jenis-jenis akar

Ways to Play

Device Games: Students play on their phones

Blast Go

Zombie Escape

Avalanche

Maze Blast

Cave Climb

Blast Out

Mystery Auction

Tour Guide

Food Truck Rush

Tug of War

Alien Blast

Glacier Rush

Board Games: Teacher-led, projected to the class

Like what you see?

Bug Blast

BlastRace

BlastQuiz

BlastBoard

Seek & Destroy

Mystery Blast

Checkers

Texas Hold 'Em

Da Bomb

Castle Siege

Hot Potato

Market Mayhem

King of the Hill

Bank Heist

Top Corner

Kuis Jenis-jenis akar

Ways to Play

Device Games: Students play on their phones

Blast Go

Zombie Escape

Avalanche

Maze Blast

Cave Climb

Blast Out

Mystery Auction

Tour Guide

Food Truck Rush

Tug of War

Alien Blast

Glacier Rush

Board Games: Teacher-led, projected to the class

Like what you see?

More like this

Bug Blast

BlastRace

BlastQuiz

BlastBoard

Seek & Destroy

Mystery Blast

Checkers

Texas Hold 'Em

Da Bomb

Castle Siege

Hot Potato

Market Mayhem

King of the Hill

Bank Heist

Top Corner