Help please!!! (:

Choose the ordered pair that is a solution to the system of equations. -3x + 2y = 10 -2x - y = -5

A. (-2, 5)
B. (2, -5)
C. (0, -5)
D. (0, 5)

Question

Help please!!! (:

Choose the ordered pair that is a solution to the system of equations. -3x + 2y = 10 -2x - y = -5 
  
A. (-2, 5) 
B. (2, -5) 
C. (0, -5) 
D. (0, 5)

anonymous · Answer

Okay, choose any one of the pairs and substitute them in the equation. On paper or calculator.

anonymous · Answer

EITHER B OR C

anonymous · Answer

option D

anonymous · Answer

LoL . its easier to remember what to do in the future, if you solve it yourself.

anonymous · Answer

@bree_ramos do you know the method of cross multiplication??

anonymous · Answer

can some of you help me in something of math

anonymous · Answer

@rainbowgirl  post your question, i am sure someone will always be there to help you.

anonymous · Answer

A meteorologist wanted to show the number of inches of snow for each month during the past winter.

 

Which type of graph would be best suited to display this information?

anonymous · Answer

@Princer_Jones  cross multiply? can't you do the butterfly thing?

anonymous · Answer

yeah if its mixed fractoins

anonymous · Answer

rainbowgirl : the answer would probably be a bar graph for your question.

anonymous · Answer

I know many methods, but when you have 2 linear equations in 2 unknowns, the cross multiplication methhod is the shortest method which gives the direct result

anonymous · Answer

so than I would just cross multiply it?

anonymous · Answer

attachment

anonymous · Answer

@bree_ramos  I am giving you a general rule. Write it down in the copy,...