Question

Which ordered pair is a solution of the equation

1. y= x - 2

A. (3,1)
B. (1,3)
C. (-1,3)
D. (3, -1)


2. y=-5x+4

A. (2,14)
B. (5,-29)
C. (3,-19)
D. (5,-21)

Answer 1

2. D.
`\displaystyle [5, -21]`

1. A.
`\displaystyle [3, 1]`

Explanation:

When you plug these coordinates into the functions, you get this:

−21 = −25 + 4 ☑

1 = 3 - 2 ☑

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