Which of the following ordered pairs are solutions to the system of inequalities? Check all that apply. 2x7 A. (-1,10) B. (8,2) C. (17,50) D. (0,0) E. (1,9) F. (5,5)

Question

Which of the following ordered pairs are solutions to the system of inequalities? Check all that apply.
2x<y
y>7 A. (-1,10)
B. (8,2)
C. (17,50)
D. (0,0)
E. (1,9)
F. (5,5)

primeralph · Answer

which one is always true?

anonymous · Answer

you can always plug them in to reaffirm

anonymous · Answer

(0,0) is true?

primeralph · Answer

doesn't satisfy the first or second condition

anonymous · Answer

idont understand how to plug them into the equations?!

primeralph · Answer

try the first value in the parentheses. For A, 2(-1) is less than 10, so it satisfies the first condition etc

anonymous · Answer

I got A and C.

primeralph · Answer

only one of those is right. Check again.

anonymous · Answer

C and E.

primeralph · Answer

not E

anonymous · Answer

B.?

primeralph · Answer

you almost got before

primeralph · Answer

yeah, that's what I said. Plug in and compare

anonymous · Answer

F? and I have have plugged them in.