# Algebra

13. Find the domain of y=2x+1

I'm not sure how to do this, and what the answer is.

27. Which variable is usually associated with the concept of input?

a. x
b. y
c. m
d. b

A

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3. 👁 60
1. Also,

2. Which of the following pairs of coordinates are on a line with an undefined shape?
a. (2,3) (9,8)
b. (3,1) (4,1)
c. (2,3) (2,10)
C?

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posted by y912f
2. 2. Undefined shape? That is not a math term, did you mean undefined slope? then c.

27 is A, however, that is very provincial thinking. I would burn a text if it said that. Honestly, I would not use that text in teaching, if it is that basal, it would be of no use later.

1. The domain of x? It is not restricted by that equation.

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