Question

which of the following is a solution for the system y=-3x+5 and y=2x+5?

a. (1,7)
b.(5,0)
c.(2,-1)
d.(0,5)

Answer 1

You have y = -3x + 5 and y = 2x + 5
Simply put them in one equation:
-3x + 5 = 2x + 5
Now subtract 5 from both sides.
-3x = 2x
Subtract 2x from both sides
-5x = 0
Divide by -5 on both sides.
x = 0

So now we know x=0, then what will y be?

Answer 2

5?

Answer 3

Yes.

Answer 4

y is indeed 5.

Answer 5

Answer is d.

Answer 6

:)

Answer 7

No no

Answer 8

b.

Answer 9

No, it's d.

Answer 10

No, it's b as y comes to the left of the equation, so 5 has to come first. Answer is (5,0) i.e., b

Answer 11

Coordinates are always given as (x, y). It doesn't matter how the equations is given.

Answer 12

All right. You cleared my confusion. Thank you :)