Đề kiểm tra 45 phút Hình học 10 Chương 3 có đáp án (Đề 2)

A. m = 2

B. m = -2

C. m = 2 và m = -2

D. m = 4

A. $\left(\begin{array}{c}x=x_0+dt\\ y=y_0+ct\end{array}\right)$

B. $\left(\begin{array}{c}x=x_0-ct\\ y=y_0+dt\end{array}\right)$

C. $\left(\begin{array}{c}x=x_0+ct\\ y=y_0+dt\end{array}\right)$

D. $\left(\begin{array}{c}x=x_0+dt\\ y=y_0-ct\end{array}\right)$

A. x - y - 1 = 0

B. x - y + 1 = 0

C. x + y + 1 = 0

D. x + y - 1 = 0

A. 2x + y - 4 = 0

B. 2x + y - 8 = 0

C. x - 2y + 4 = 0

D. -2x + y - 8 = 0

A. $\stackrel{\to }{n}=(4;3)$

B. $\stackrel{\to }{n}=(3;4)$

C. $\stackrel{\to }{n}=(-3;4)$

D. $\stackrel{\to }{n}=(1;5)$

A. (2;3)

B. (6;-1)

C. (1;4)

D. (6;1)

A. 2x - y + 5 = 0.

B. 2x - y - 5 = 0.

C. -2x + y = 0.

D. 2x + y - 5 = 0.

A. $\left(\begin{array}{c}x=1+2t\\ y=4+t\end{array}\right)$

B. $\left(\begin{array}{c}x=1+t\\ y=4+2t\end{array}\right)$

C. $\left(\begin{array}{c}x=1-2t\\ y=4-t\end{array}\right)$

D. $\left(\begin{array}{c}x=1+2t\\ y=4-t\end{array}\right)$

A. $\stackrel{\to }{u_1}=(5;-2)$

B. $\stackrel{\to }{u_2}=(-5;2)$

C. $\stackrel{\to }{u_3}=(2;5)$

D. $\stackrel{\to }{u_4}=(2;-5)$

A. $∆:x+2y+5=0$

B. $∆:\left(\begin{array}{c}x=1+t\\ y=-3+2t\end{array}\right)$

C. $∆:\left(\begin{array}{c}x=1-2t\\ y=-3+t\end{array}\right)$

D. $∆:\frac{x-1}{-2}=\frac{y+3}{1}$

A. 3x - y - 1 = 0

B. 3x - y - 5 = 0

C. x - 3y + 5 = 0.

D. 3x - y + 5 = 0

A. 30 $°$

B. 90 $°$

C. 45 $°$

D. 0 $°$

A. $d(M,∆)=\frac{\left(a.x_0+b.y_0+c\right)}{\sqrt{a+b}}$

B. $d(M,∆)=\frac{\left(a.x_0+b.y_0+c\right)}{\sqrt{a^2+b^2}}$

C. $d(M,∆)=\frac{\left(a.x_0+b.y_0\right)}{\sqrt{a^2+b^2}}$

D. $d(M,∆)=\frac{a.x_0+b.y_0+c}{\sqrt{a^2+b^2}}$