Sifat Akar dan Menyusun Persamaan kuadrat

Sifat Akar dan Menyusun Persamaan kuadrat

9th Grade

10 Qs

quiz-placeholder

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Sifat Akar dan Menyusun Persamaan kuadrat

Sifat Akar dan Menyusun Persamaan kuadrat

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSA-SSE.B.3B, HSF-IF.C.8A

Standards-aligned

Created by

Susi Anik

Used 47+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui persamaan kuadrat  2x212x8=02x^2-12x-8=0 .  Nilai  x1×x2=...x_1\times x_2=...  

 4-4  

 44  

 6-6  

 66  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui persamaan kuadrat  x2+6x27=0x^2+6x-27=0   .   Nilai  x1+x2=...x_1+x_2=...  

 27-27  

 6-6  

 66  

 2727  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika diketahui akar persamaan kuadrat adalah 3 dan 5 maka persamaan kuadratnya adalah…

x2+8x+15=0x^2+8x+15=0

x215x+8=0x^2-15x+8=0

x28x+15=0x^2-8x+15=0

x215x+8=0x^2-15x+8=0

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan kuadrat yang memiliki akar-akar 1-1   dan 6 adalah…

 x2+4x+12=0x^2+4x+12=0  

 x25x+6=0x^2-5x+6=0  

 x2+4x12=0x^2+4x-12=0  

 x25x6=0x^2-5x-6=0  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika diketahui akar persamaan kuadrat adalah 3 dan 5 maka persamaan kuadratnya adalah…

x2+8x+15=0x^2+8x+15=0

x215x+8=0x^2-15x+8=0

x28x+15=0x^2-8x+15=0

x215x+8=0x^2-15x+8=0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui persamaan kuadrat  2x2x3=02x^2-x-3=0 .  Nilai  x1+x2=...x_1+x_2=...  

 12\frac{1}{2}  

 12-\frac{1}{2}  

 32-\frac{3}{2}  

 33  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan kuadrat yang memiliki akar-akar -2 dan 5 adalah...

x2+3x+10=0x^2+3x+10=0

x23x10=0x^2-3x-10=0

x23x+10=0x^2-3x+10=0

x2+3x10=0x^2+3x-10=0

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