Matematika kelas 9 pts

Matematika kelas 9 pts

9th Grade

20 Qs

quiz-placeholder

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Matematika kelas 9 pts

Matematika kelas 9 pts

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Easy

Created by

intan octa

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Penyelesaian persamaan kuadrat  x²+13x+30=0 adalah..

{10,-3}

{−2,−15}

{-3,-10}

{2,-15}

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Diketahui persamaan kuadrat  2x²−12x−8=0.Nilai x1.x2=

-4

4

6

-6

3.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Diketahui salah satu akar persamaan dari 3x² +3x + c = 0 adalah -3. nilai c adalah..

-18

9

18

-9

4.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

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

x²+8x+15=0

x²−15x+8=0

x²—8x+15=0

x²+15x+8=0

5.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Titik puncak dari kurva fungsi kuadrat y=x²+4x−5   adalah …

{—2,—9}

{—4,5}

{2,9}

{4,—3}

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Sumbu simetri dari x²-10x+25 adalah...

10

-10

5

-5

7.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Hasil dari 3√50 —2√18+√98

2√2

8√2

16√2

28√2

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