Use the elimination method to solve the system of equations. Choose the correct ordered pair. 4x + 8y = 16 4x - 8y = 0 A. (4, 2)

Question

k0ka [10]

3 years ago

14

Use the elimination method to solve the system of equations. Choose the correct ordered pair. 4x + 8y = 16 4x - 8y = 0 A. (4, 2)

B. (2, 4) C. (2, 1) D. (4, 0)

Mathematics

1 answer:

balu736 [363] · Answer 1 · 2022-05-12T22:34:02+03:00

balu736 [363]3 years ago

7 0

Adding both equations cancels y:

<span>4x + 8y = 16
</span><span>4x - 8y = 0
-----------------+
8x = 16 => x=2

filling in x=2 in the first equation gives:

4*2 + 8y = 16 => 8y = 8 => y=1

So (2,1) is the (x,y) pair that solves the two equations. Answer C.</span>