Maximum and Minimum Values Quiz

Maximum and Minimum Values Quiz

1st Grade

15 Qs

quiz-placeholder

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Maximum and Minimum Values Quiz

Maximum and Minimum Values Quiz

Assessment

Quiz

Mathematics

1st Grade

Practice Problem

Medium

Created by

SHAIDATUL Moe

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Seorang tukang kebun mempunyai 100 meter dawai untuk membina plot segi empat. Jika lebar plot adalah x meter dan panjangnya adalah y meter, maka luas L (m²) diberikan oleh:

L = 100x − x²

L = 50x − x²

L = 25x − x²

L = 10x − x²

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untuk kawasan L = 50x − x², nilai dL/dx adalah:

50x

50 − 2x

2x − 50

25 − x²

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untuk soalan di atas, nilai x yang memberikan kawasan maksimum adalah:

x = 10

x = 20

x = 25

x = 50

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan luas sektor A = 15j − j². Cari dA/dj.

15 − 2j

15j − j²

2j − 15

30j − j

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apabila dA/dj = 0, nilai j yang memberikan kawasan maksimum bagi sektor bulatan adalah:

j = 5

j = 7.5

j = 10

j = 15

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sebuah kotak terbuka mempunyai asas persegi dengan sisi x cm dan tinggi h cm. Luas permukaan keseluruhan adalah 108 cm². Ungkapan untuk h dalam istilah x adalah:

h = (108 − x²) / 2x

h = (108 − x²) / 4x

h = (108 − 2x²) / x

h = 108 / x²

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan volume V = 27x − (1/4)x³. Cari dV/dx.

27 − (1/2)x²

27 − (3/4)x²

27x − (3/4)x³

27x² − x³

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