Algebraik kasr. Kasrlarni qisqartirish — 7-sinf Algebra test savollari

Bu mavzuda 15 ta test savoli bor. Quyida 10 ta namuna — to'liq test va javoblar kaliti ro'yxatdan o'tgandan keyin ochiladi.

1. $\frac{x ^{2} - 9}{x ^{2} - 3 x}$ kasrni qisqartiring.
- A) $\frac{x + 3}{x}$
- B) $\frac{x + 4}{x}$
- C) $\frac{- x - 3}{x}$
- D)(x - 3)(x + 3)/(x(x - 3))
2. $\frac{2 x ^{2} - 8}{x ^{2} - 4 x + 4}$ kasrni qisqartiring.
- A) $2 (x - 2) \frac{x + 2}{( x - 2 ) ^{2}}$
- B)(2(x + 2) + 1)/(x - 2)
- C)-2(x + 2)/(x - 2)
- D)2(x + 2)/(x - 2)
3. $\frac{a ^{2} - b ^{2}}{a ^{2} + ab}$ kasrni qisqartiring.
- A)(a - b)(a + b)/(a(a + b))
- B) $\frac{a - b}{a}$
- C) $\frac{- a + b}{a}$
- D) $\frac{a - b + 1}{a}$
4. $\frac{x ^{2} - 5 x + 6}{x ^{2} - 4}$ kasrni qisqartiring.
- A) $\frac{3 - x}{x + 2}$
- B) $\frac{x - 2}{x + 2}$
- C) $\frac{x - 3}{x + 2}$
- D)(x - 3)(x - 2)/((x - 2)(x + 2))
5. $\frac{3 x ^{2} - 3}{x ^{2} + 2 x + 1}$ kasrni qisqartiring.
- A) $3 (x - 1) \frac{x + 1}{( x + 1 ) ^{2}}$
- B)(3(x - 1) + 1)/(x + 1)
- C)-3(x - 1)/(x + 1)
- D)3(x - 1)/(x + 1)
6. $\frac{x ^{2} - 4 x}{x - 4}$ kasrni qisqartiring.
- A)x(x - 4)/(x - 4)
- B)x + 2
- C)x
- D)-x
7. $\frac{a ^{2} - 1}{a - 1}$ kasrni qisqartiring.
- A) $(a - 1) \frac{a + 1}{a - 1}$
- B)a + 1
- C)a + 3
- D)-a - 1
8. $\frac{2 x + 2 y}{x + y}$ kasrni qisqartiring.
- A)2
- B)-2
- C)2(x + y)/(x + y)
- D)4
9. $\frac{x ^{2} + x}{x}$ kasrni qisqartiring.
- A)x + 3
- B)-x - 1
- C)x(x + 1)/x
- D)x + 1
10. $\frac{a ^{2} - ab}{a}$ kasrni qisqartiring.
- A)a - b + 2
- B)-a + b
- C)a(a - b)/a
- D)a - b

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Algebraik kasr. Kasrlarni qisqartirish — 7-sinf Algebra test savollari

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