Algebra 3-chsb

Algebra 3-chsb

9th Grade

12 Qs

quiz-placeholder

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Algebra 3-chsb

Algebra 3-chsb

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Elyor Mavlonov

Used 6+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Soddalashtiring. sin(π/2 + α) cos(π/2 − β) + sin(α−β)

sinαcosβ

sinβcosα

sinαsinβ

cosαcosβ

2.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

tgα=−7/24 va π/2<α<π boʻlsa, sin2α ni hisoblang.

336/625

−336/625

−121/125

121/125

3.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

cosα=−0,6 va π<α<3π/2 boʻlsa, tg2α ni hisoblang.

−24/7

24/7

7/24

-7/24

4.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Ifodani soddalashtiring: (sin(π−4α) + cos(π/2 + 2α)) /(sin(3π/2 − 2α) − cos(3π + 4α))

ctgα

−ctg3α

−ctgα

ctg3α

5.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Ifodani soddalashtiring: (1−sinα−cos2α)/(cosα−sin2α)

−ctgα

tgα

−tgα

ctgα

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Arifmetik progressiyada a₅=41 va a₁₀=26. Bu progressiya 21-hadini toping.

−7

7

−4

−10

7.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Arifmetik progressiya aₙ=20−4n formula bilan berilgan. Bu progressiya dastlabki n ta hadi yigʻindisini toping.

18n−4n²

18n−2n²

20n−2n²

20n−4n²

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