Question

Which of the following ordered pairs make this equation true?

Equation: y = 2x - 7
A. 1,9
B. -3,4
C. 4,1
D. -1,5

Answer 1

Answer: C

Explanation:

Using substitution you can determine that 2*4-7 is in fact equal to 1

Answer 2

C. (4, 1)

Explanation:

Plug in 4 for x to make sure y=1.

y=2(4)-7

y=8-7

y=1.

Y does equal 1, so the ordered pair (4,1) makes this equation true!

Hope this helps!