Đề thi Giữa kì 2 Toán 10 năm 2025-2026 trường THPT Lê Quý Đôn (Quảng Ngãi)

$4x+3y-2=0$

$3x-4y+2=0$

$3x+4y+2=0$

$4x-3y-2=0$

$(x+a)^2+(y+b)^2=R$

$(x+a)^2+(y+b)^2=R^2$

$(x-a)^2+(y-b)^2=R$

$(x-a)^2+(y-b)^2=R^2$

$x = 1.$

$x = 3.$

$x = 2.$

$x = 4.$

$S = [3; +\infty).$

$S = (-\infty; 2] \cup [3; +\infty).$

$S = [2; 3].$

$S = (2; 3).$

10.

20.

15.

7.

$y = \dfrac{1}{x^2}.$

$y = x^2 + x.$

$y = -x^4 + 3x^2 + 3.$

$y = 4 \left( \dfrac{1}{x} \right)^2 + 3 \left( \dfrac{1}{x} \right) - 2.$

$\mathscr{D} = \mathbb{R} \setminus \{-5\}.$

$\mathscr{D} = \mathbb{R}.$

$\mathscr{D} = \mathbb{R} \setminus \{-1\}.$

$\mathscr{D} = \mathbb{R} \setminus \{1\}.$