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This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
Find the value of k if the area is \(\frac{7}{2}\) sq. units and the vertices are (1,2), (3,5), (k,0). |
A. | \(\frac{8}{3}\) |
B. | –\(\frac{8}{3}\) |
C. | –\(\frac{7}{3}\) |
D. | –\(\frac{8}{5}\) |
Answer» C. –\(\frac{7}{3}\) | |
2. |
Which of the following is the formula for finding the area of a triangle with the vertices (x1,y1), (x2,y2), (x3,y3). |
A. | Δ=\(\begin{Vmatrix}x_1&y_1&1\\x_2&y_2&1\\x_3&y_3&1\end{Vmatrix}\) |
B. | Δ=\(\frac{1}{2}\begin{Vmatrix}x_1&y_1&1\\x_2&y_2&0\\x_3&y_3&1\end{Vmatrix}\) |
C. | Δ=\(\frac{1}{2}\begin{Vmatrix}x_1&y_1&1\\x_2&1&1\\x_3&y_3&1\end{Vmatrix}\) |
D. | Δ=\(\frac{1}{2}\begin{Vmatrix}x_1&y_1&1\\x_2&y_2&1\\x_3&y_3&1\end{Vmatrix}\) |
Answer» E. | |