Question

You use circles to represent x and squares to represent 1. You shade the shapes to represent negative values.

Which of the following describes a model representing 2x−6
?

(1 point)
Responses

2 shaded squares and 6 shaded circles
2 shaded squares and 6 shaded circles

2 unshaded squares and 6 shaded circles
2 unshaded squares and 6 shaded circles

2 shaded squares and 6 unshaded circles
2 shaded squares and 6 unshaded circles

2 unshaded squares and 6 unshaded circles

Answer 1

2 unshaded circles and 6 shaded squares.

Reason: circles = x so 2 positive x's are unshaded circles; squares = 1 so −6 is six shaded squares (shaded = negative).