Đề kiểm tra Toán 7 Chương 2 Đại số chọn lọc, có đáp án (8 đề) | Aviationaustralia.asia

Tambayoyin gwajin lissafi 7 Babi na 2 Algebra da aka zaɓa, tare da amsoshi (tambayoyi 8)

Don yin bita da yin kyau kan gwaje-gwajen lissafi na aji 7, ga Manyan 8 Zaɓaɓɓen Algebra 7 Babi na 2 Tambayoyin Gwajin Lissafi, tare da amsoshi. Da fatan wannan saitin gwajin zai taimaka muku don yin aiki & samun maki mai yawa a cikin gwaje-gwajen lissafi na aji 7.

talla

Dakin ilimi da horo……

Gwajin minti 15 Babi na 2 Algebra

Maudu’i: 7th math

Lokacin yin gwajin: Minti 15

Tambaya: Ƙungiyoyi uku na masu daidaitawa suna yin daidai da adadin aiki guda uku. Tawagar farko ta kammala aikin a cikin kwanaki 3, ta biyu kuma ta kammala aikin a cikin kwanaki 4, ta uku kuma ta kammala aikin cikin kwanaki 6. Tambayi inji nawa kowace ƙungiya take da ita (masu iya aiki iri ɗaya). Ka sani cewa ƙungiyar farko tana da injuna 2 fiye da ƙungiyar ta biyu?

Amsoshi da Umarni

Bari adadin injinan kowace ƙungiya ya zama x, y, z (na’ura) bi da bi (x, y, z ∈ N*).

Tun da ƙungiyar farko tana da ƙarin inji 2 fiye da ƙungiyar ta biyu, x – y = 2. (maki 1)

Don wannan aikin, adadin injuna da adadin sa’o’in da aka kammala sun saba da juna, don haka muna da

3x = 4y = 6z (maki 1)

Ina tsammani Gwajin minti 15 Math 7 Babi na 2 Algebra tare da amsoshi (Maƙala ta Musamman 3).(2 maki)

Aiwatar da kadarorin jerin ma’auni daidai, muna da:

Gwajin minti 15 Math 7 Babi na 2 Algebra tare da amsoshi (Maƙala ta Musamman 3) = 2 (maki 1)

Samu x = 8 (TM), y = 6 (TM), z = 4 (TM).(3 maki)

Don haka adadin injinan kowace ƙungiya inji 8, injina 6, da injina 4, bi da bi. (maki 1)

talla

Dakin ilimi da horo……

Gwajin minti 15 Babi na 2 Algebra

Maudu’i: 7th math

Lokacin yin gwajin: Minti 15

Tambaya 1: Ana bayar da madaidaitan ƙididdiga na nau’i biyu na y da x a cikin tebur mai zuwa:

x – 2 – 3 6 9
y 27 18 – 8 6

Shin adadin biyun y da x sun yi daidai da juna?

Aya ta 2: Raba lambar 200 zuwa sassa 3 waɗanda suka yi daidai da 7, 4, 2. Nemo kowane ɗayan waɗannan sassan.

Amsoshi da Umarni

Tambaya 1:

Tun da (-3).18 ≠ 6.(-8), adadin biyu y da x ba su sabawa juna ba.

(maki biyu:

– Amsa: aya 1

– Bayani: 1 aya)

Aya ta 2: (Maki 8)

Kira sassa uku da za a bincika kamar x, y, z (x, y, z > 0) (maki 1)

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Tunda jimillar sassa uku 200 ne, x + y + z = 200. (maki 1)

Tun da x, y, z sun yi daidai da 7, 4, 2, muna da

7x = 4y = 2z Gwajin minti 15 Math 7 Babi na 2 Algebra tare da amsoshi (Magana 4) (maki 1)

Aiwatar da kadarorin jerin ma’auni daidai, muna da:

Gwajin minti 15 Math 7 Babi na 2 Algebra tare da amsoshi (Magana 4)

Don haka sassa uku da za a samu sune 32, 56 da 112. (maki 1)

talla

Dakin ilimi da horo……

Babi na 2 Algebra Babi na 2 Tambayoyin Jarabawa

Maudu’i: 7th math

Lokacin yin gwajin: Minti 45

A. Sashen zaɓi da yawa (Maki 3)

Tambaya 1: Idan y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x to y yayi daidai da x bisa ga tsarin:

A. 2

B. Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x

C. Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)

D. -1

Aya ta 2: Bari aikin y = f(x) = 2x + 1. Darajar f(0) daidai yake da:

A. 0

B. 1

C. 2

D. 3

Tambaya 3: Idan batu M yana da haɗin kai na 2 da haɗin kai na -2, to, haɗin gwiwar batu M sune:

A. 0

B. (2;-2)

C. (-2;2)

D. (0;0)

Tambaya 4: Nuna M(m, 5) a cikin quadrant na biyu a cikin haɗin gwiwar jirgin Oxy sannan:

A. m <0

B.m <5

C. m > 0

D.M> 5

Tambaya ta 5: A cikin maki M (1; 0), N (0; 1), P (1; 1), Q (-1; -1). Batun akan axis a tsaye shine:

A. US batu

B. Makin Mace

C. Maki P

D. maki Q

Tambaya 6: Idan adadin a ya yi daidai da na b da juzu’i na 3, to:

A. a = 3b

B.3a = b

C. ab = 3

D. Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3) = b

B. Sashen Maƙala (7 maki)

Tambaya 1: (2 maki). Bari adadin y ya zama sabanin adadin x. Sanin yx = 60

a) Ƙayyade juzu’i na y dangane da x.

b) Rubuta dabara don lissafta y cikin sharuddan x sannan a lissafta y lokacin x = 12.

Aya ta 2: (2 maki). A cikin zaman shuka a makaranta, ga kowane ɗalibai 12, ana iya dasa bishiyoyi 60. Tambayi aji na 7A bishiya nawa za a iya dasa, sanin cewa aji 7A yana da ɗalibai 30. (A ɗauka cewa kowane ɗalibi yana da adadin tsire-tsire iri ɗaya.)

Tambaya 3: (maki 3) An ba da aikin y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x yana da jadawali a matsayin madaidaiciyar layi (d).

a) Zana (d) akan jirgin Oxy mai daidaitawa,

b) Shin batu A (4; 2) akan jadawali na aikin a sama? Me yasa?

c) Nemo m domin maki 3 A(4; 2), B (6; 3) da D (16; m)2 – 1) layi.

Amsoshi da Umarni

I. Bangaren zaɓi da yawa: (Maki 3, kowane madaidaicin amsa shine maki 0.5).

Hukuncin na farko 2 3 4 5 6
Amsa TSOHUWAR CIRE CIRE A CIRE TSOHUWAR

Tambaya 1:

Zaɓi Girman

Aya ta 2:

Zaɓi CIRE

f(0) = 2 . 0 + 1 = 0 + 1 = 1

Tambaya 3:

Zaɓi CIRE

Tambaya 4:

Zabi A

Tambaya ta 5:

Zaɓi CIRE

Abubuwan da ke kan axis na tsaye suna da daidaitawar sifili, don haka maki akan axis na tsaye N.

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Tambaya 6:

Zaɓi Girman

B. Sashen Maƙala (7 maki)

Tambaya 1:

a) Muna da yx = 60, don haka madaidaicin rabo na y zuwa x shine 60 (maki 1)

b) (maki 1) Muna da y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3) (na farko)

Sauya x = 12 zuwa (1), muna da y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3) = 5

Don haka x = 12 sannan y = 5.

Aya ta 2:

Bari adadin bishiyoyin da aji 7A zai iya shuka su zama x (bishiyoyi) (x ∈ N*) (maki 0.5)

Tunda yawan bishiyoyi da adadin daliban da aka shuka sun yi daidai da biyu, muna da:

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3) = 150 (TM) (maki 1)

Don haka adadin bishiyoyi ajin 7A zai iya girma itace 150. (0.5 maki)

Tambaya 3:

a) (maki 1) Yi la’akari da aikin y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x.

Tare da x = 2, sannan y = 1 muna da maki C (2; 1)

Sannan zana aikin y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x(d) madaidaiciyar layi ce wacce ke wucewa ta maki biyu O da C.

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)

b) (1 point) Point A(4; 2) haka x = 4, y = 2.

Sauya x = 4, y = 2 zuwa y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x, muna:

2 = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3).4 2 = 2 (ko da yaushe gaskiya)

Don haka batu A(4; 2) na cikin jadawali na aikin da ke sama.

c) (maki 1) Zamu iya tabbatar da cewa A da B duk na (d): y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x

Domin A, B, D ya zama collinear da A, B na (d), don haka D na (d).

Sauya x = 16, y = m2 – 1 in y = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)x, muna:

m2 – 1 = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3).16

m2 – 1 = 8

m2 = 9

m2 = (Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3))2

m = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3)

So m = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 3) sai maki uku A, B, D suna collinear.

Dakin ilimi da horo……

Babi na 2 Algebra Babi na 2 Tambayoyin Jarabawa

Maudu’i: 7th math

Lokacin yin gwajin: Minti 45

A. Sashen zaɓi da yawa (2 maki)

Tambaya 1: Ganin cewa x, y suna da ma’auni guda biyu, lokacin x = 2, y = -4. Don haka lokacin y = -15 sannan x = ?

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Aya ta 2: Mun san cewa y ya bambanta da x ta ma’auni na -2.5. Sannan x ya yi daidai da y ta hanyar ma’auni na:

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Tambaya 3: Sanin wannan batu A (0,5; b) na cikin jadawali na aikin y = 4x. Darajar b shine:

A. 2

B. 4

C. 8

D. 16

Tambaya 4: Bari aikin y = f (x) = 2x2Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4). Darajar aikin a x = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) zama:

A. 0

B. 1

C. 0.5

D. -0.5

B. Sashen Maƙala (Maki 8)

Tambaya 1: (2 maki). Sanin x yayi daidai da y ta hanyar sikeli Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) kuma y yayi daidai da z ta ma’aunin sikeli Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4). Nuna cewa x ya saba daidai da z kuma nemo ma’aunin sikeli?

Aya ta 2: (2 maki). Mota na tafiya daga garin A zuwa garin B a gudun kilomita 50 / h kuma tana ɗaukar awa 3 da mintuna 36. Yaya tsawon lokacin da motar zata ɗauka daga lardin B zuwa lardin A a 45 km/h?

Tambaya 3: (maki 3) An ba da aikin y = gatari (a ≠ 0).

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a) Ƙaddara cewa a ya san jadawali na aikin da ke wucewa ta wurin A Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4).

b) Zane aikin tare da kawai samu.

Tambaya 4: (maki daya) Sani Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) (a ≠ 5, b ≠ 6). Nemo Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)?

Amsoshi da Umarni

I. Gwajin manufa: (maki 2, kowane amsa daidai shine maki 0.5).

Hukuncin na farko 2 3 4
Amsa CIRE TSOHUWAR A A

Tambaya 1:

Zaɓi CIRE

Muna da x, y suna da ma’auni guda biyu, don haka muna da:

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Aya ta 2:

Zaɓi Girman

Tambaya 3:

Zabi A

Muna da b = 4,0.5 = 2

Tambaya 4:

Zabi A

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

B. Sashen Maƙala (Maki 8)

Tambaya 1:

Tunda x yayi daidai da y ta hanyar sikeli Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) don haka muna da x = Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)y (1) (0.5 maki)

Tunda y yayi daidai da z ta ma’aunin sikeli Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) Candlestick Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) (2) (0.5 maki)

Daga (1) da (2) muna da Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) (0.5 maki)

Don haka x ya yi daidai da z kuma ma’aunin sikelin shine Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) (0.5 maki)

Aya ta 2:

Bari lokacin da motar ta ɗauka don tafiya daga lardin B zuwa lardin A zama x (h) (x> 0) (maki 0.5)

Canja awanni 3 mintuna 36 = awanni 3.6.

Tunda lokaci da gudun motar da ke tafiya tazara iri ɗaya sun bambanta, muna da:

3.6.50 = x.45 Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4) = 4 (TM) (maki 1)

Don haka, yana ɗaukar sa’o’i 4 don mota ta yi tafiya a cikin gudun kilomita 45 / h daga garin B zuwa garin A. (0.5 maki)

Tambaya 3:

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

b) (maki 2) Tare da a = -1 muna da y = -x.

Tare da x = 1, y = -1, muna samun maki B (1; -1).

Don haka jadawali na aikin y = -x madaidaiciyar layi ce ta O da B.

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Multiple - Essay 4)

Tambaya 4: (maki 1)

Gwada takaddun na tsawon lokaci 1 Math 7 Babi na 2 Algebra tare da amsoshi (Zabi da yawa - Essay 4)

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