benchmarks.wiki / Public workspace

MATH / A dilation centered at the origin takes begin{pmatrix} 4 7 end{pmatrix} to begin{pmatrix} -12 -21 end{pmatrix}. Which vector does the dilation take …

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

A dilation centered at the origin takes $\begin{pmatrix} 4 \\ 7 \end{pmatrix}$ to $\begin{pmatrix} -12 \\ -21 \end{pmatrix}.$ Which vector does the dilation take $\begin{pmatrix} -2 \\ 5 \end{pmatrix}$ to?
Plain-text mathematical notation (without MathML)
A dilation centered at the origin takes $\begin{pmatrix} 4 \\ 7 \end{pmatrix}$ to $\begin{pmatrix} -12 \\ -21 \end{pmatrix}.$  Which vector does the dilation take $\begin{pmatrix} -2 \\ 5 \end{pmatrix}$ to?
Original LaTeX notation
A dilation centered at the origin takes $\begin{pmatrix} 4 \\ 7 \end{pmatrix}$ to $\begin{pmatrix} -12 \\ -21 \end{pmatrix}.$  Which vector does the dilation take $\begin{pmatrix} -2 \\ 5 \end{pmatrix}$ to?

level

Level 2

type

Precalculus

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import