Which set of ordered pairs is made up of points on the graph of the function below?
y = -3x + 8

A.

(-1,11), (0,8), (1,5), (2,2)

B.

(11,-1), (8,0), (5,1), (2,2)

C.

(11,-1), (8,0), (1,5), (2,2)

D.

(-1,11), (8,0), (1,5), (2,2)

lets not say how long I've been stuck on this question

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absor201 absor201 · Answer 1 · 2020-01-13T19:02:21+01:00

A. (-1,11), (0,8), (1,5), (2,2) is the correct answer

Step-by-step explanation:

The set of ordered pairs that satisfies the equation will be the set of ordered pairs made up of graph of function.

Given equation is:

[tex]y = -3x+8[/tex]

For A. (-1,11), (0,8), (1,5), (2,2)

Putting (-1,11) in the equation

[tex]11 = -3(-1)+8\\11= 3+8\\11=11[/tex]

Putting (0,8) in the equation

[tex]8 = -3(0)+8\\8 = 0+8\\8=8[/tex]

Putting (1,5) in the equation

[tex]5 = -3(1)+8\\5 = -3+8\\5 = 5[/tex]

Putting (2,2) in the equation

[tex]2 = -3(2)+8\\2 = -6+8\\2 = 2[/tex]

As we can see that the ordered pairs in option A satisfy the given equation,

A. (-1,11), (0,8), (1,5), (2,2) is the correct answer

Keywords: Ordered pair, solution

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