Question

HELP PLEASE!
To which graph does the point (−1, 4) belong?

y ≤ −x + 4
y ≤ −x − 2
y ≤ 2x − 3
y ≤ 4x + 1

Answer 1

(-1,4) means x = -1 and y = 4

plug them into each inequality to see which one is true

Answer 2

so it would be a or b?

Answer 3

well, let's try a first

y ≤ −x + 4

4 ≤ -(-1) + 4
4 ≤ 5

4 is less than 5 so a is true

Answer 4

alright thanks!

Answer 5

b doesn't work because

y ≤ −x − 2
4 ≤ 1 - 2
4 ≤ -1

4 is bigger than -1 so this doesn't work

Answer 6

oh okay