2020HSCMultiple choice

Q3

1 mark

Question

What is the Cartesian equation of the line $\mathbf r=\begin{pmatrix}1\\3\end{pmatrix}+\lambda\begin{pmatrix}-2\\4\end{pmatrix}$ ?

A. $2y+x=7$
B. $y-2x=-5$
C. $y+2x=5$
D. $2y-x=-1$

Try the question before revealing the answer.

Syllabus alignment

Vectors

Vectors and vector equations of linesUse coordinates and vector equations for curves, lines, line segments and spheres in two and three dimensions.

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