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evaluasi matematika semester ganjil kelas 9

Authored by Anisah Meisura

Mathematics

9th Grade

Used 4+ times

evaluasi matematika semester ganjil kelas 9
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan sumbu simetri dari fungsi kuadrat

f(x) = 3x2+ 6x −15 adalah ... .

x = -6

x = -1

x = -3

x = 5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Titik potong kurva dari fungsi f(x) = −2x2 + 3x −6 dengan sumbu Y adalah ...

(0,-6)

(0,6)

(0,-2)

(0,2)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koordinat titik puncak dari kurva fungsi kuadrat f(x) = x2 − 4x + 5 adalah ....

(4,5)

(2,1)

(0,5)

(-2,17)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Grafik fungsi kuadrat f(x) = 2x² – 18 memotong sumbu x di titik ... .

(0, 0) dan (3, 0)

(-3, 0) dan (3, 0)

(-3, 0) dan (0, 0)

(0, 0) dan (9, 0)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sumbu simetri grafik

f(x) = 2x² – 10x + 12 adalah ...

5125\frac{1}{2}

2122\frac{1}{2}

5

3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui fungsi kuadrat y = 3x2 -7x

Nilai a, b, dan c berturut-turut adalah....

a = 3, b = -7, c = 0

a = 3, b = 7, c = 0

a = -3, b = -7, c = 0

a = -3, b = 7, c = 0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fungsi  f(x)=ax2+bx+cf\left(x\right)=ax^2+bx+c  memiliki sumbu simetri di ....

 x=bax=-\frac{b}{a}  

 x=b2ax=-\frac{b}{2a}  

 x=bax=\frac{b}{a}  

 x=b2ax=\frac{b}{2a}  

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