Đề thi Giữa kì 1 Toán 9 năm 2024-2025 trường THCS Yên Phong (Nam Định)

$2x+3y^2=5$

$0x+0y=8$

$x+y=-1$

$x^2+5y=3$

$\left\lbrace\begin{matrix} 2x+y=3 \\ 2x+y=-5 \end{matrix}\right.$

$\left\lbrace\begin{matrix} \sqrt{2}.x + \sqrt{3}.y = 1 \\ \sqrt{5}.x - y=2024 \end{matrix}\right.$

$\left\lbrace\begin{matrix} x+y=-5 \\ 2x-y=-3 \end{matrix}\right.$

$\left\lbrace\begin{matrix} 2:x+3y=11 \\ x+y=8 \end{matrix}\right.$

$x-y=2$

$y+2=x$

$y=x-2$

$y-x=2$

$(1;1)$

$(0,5;3)$

$(0;0)$

$(1;-2)$

$a < b$

$a \le b$

$a > b$

$a \ge b$

$-2x > 4x+1$

$2x+1>5$

$2-x < 2 + 2x$

$7 - 2x > 10 - x$

$sin30^0 = cos30^0$

$cos50^0 = tan50^0$

$sin60^0 = cos30^0$

$tan30^0 = cot30^0$

$\dfrac{MP}{NP}$

$\dfrac{MN}{NP}$

$\dfrac{MN}{MP}$

$\dfrac{MP}{MN}$