Đề tuyển sinh lớp 10 môn Toán (không chuyên) năm 2025 — Trường THCS Chu Văn An, Quảng Nam

$\displaystyle (-1; 1)$

$\displaystyle (1; 1)$

$\displaystyle (1; -1)$

$\displaystyle (-1; -1)$

$\displaystyle x \neq -1$

$\displaystyle x \neq 1$

$x \neq 1$ và $x \neq 0$

$x \neq 1$ và $x \neq -1$

$\displaystyle x \geq -2$

$\displaystyle x < -2$

$\displaystyle x \leq 2$

$\displaystyle x \geq 2$

$\displaystyle x^2 + x - 1 = 0$

$\displaystyle x^3 + 2x^2 - 4 = 0$

$\displaystyle 0x^2 + 3x - 2 = 0$

$\displaystyle -5x^4 + x^2 = 0$

$\displaystyle x_1 + x_2 = 8$

$\displaystyle x_1 + x_2 = -7$

$\displaystyle x_1 + x_2 = 7$

$\displaystyle x_1 + x_2 = -8$

$\displaystyle x_1 = x_2 = \frac{-b}{2a}$

$\displaystyle x_1 = x_2 = \frac{-b}{a}$

$\displaystyle x_1 = x_2 = \frac{-c}{a}$

$\displaystyle x_1 = x_2 = \frac{-c}{2a}$

$\displaystyle 1,3$

$\displaystyle 0,75$

$\displaystyle 0,6$

$\displaystyle 0,8$

$\displaystyle OM < 5\text{cm}$

$\displaystyle OM = 5\text{cm}$

$\displaystyle OM \leq 5\text{cm}$

$\displaystyle OM > 5\text{cm}$

$\displaystyle 110^\circ$

$\displaystyle 90^\circ$

$\displaystyle 250^\circ$

$\displaystyle 70^\circ$

$\displaystyle 15\%$

$\displaystyle 2\%$

$\displaystyle 20\%$

$\displaystyle 50\%$

$\displaystyle 9\pi \text{ cm}^2$

$\displaystyle 24\pi \text{ cm}^2$

$\displaystyle 48\pi \text{ cm}^2$

$\displaystyle 57\pi \text{ cm}^2$