Wednesday

August 27, 2014

August 27, 2014

Posted by **samone** on Monday, November 4, 2013 at 6:49pm.

(4, -1) (12,9)

Which statement best evaluates whether these two solutions make sense in this situation?

A.

The solution (4, -1) makes sense in this situation, but (12,9) does not.

B.

Neither solution makes sense in this situation.

C.

Both solutions make sense in this situation.

D.

The solution (12,9) makes sense in this situation, but (4, -1) does not.

this is a really long one, and im having some trouble with it.

- math -
**Kuai**, Monday, November 4, 2013 at 6:57pm5x – 4y = 24.

5(4)-4(-1) = 24

20 + 4 = 24

24 = 24 true

5x – 4y = 24.

5(12) -4(9) = 24

60 -36 = 24

24 = 24

Answer C

- math -
**Ms. Sue**, Monday, November 4, 2013 at 7:01pmSubstitute the two number sets.

(5 * 4) - (4 * -1) = 24

20 + 4 = 24

That one makes sense.

What about 12 and 9?

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