Problem numbers refer to the poole textbook (4th edition) 1. let a, b, c, be three points in the plane. let o denote the origin. (a) suppose a (1, 1) and b (3,2). sketch ab, and find r, y er such that ab (b) express ab as a linear combination of oa and ob. provide a sketch to support your answer. (e) express -2bč as a linear combination of ab and ac. provide a sketch to support your answer. (d) if a (1, 1), b (3, 2), c (0,-1), find r, y er such that 2ab-4ca

answer: slight chance that it will happen

step-by-step explanation:

probability for j is 1/4

while

a is 1/6

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have