Question

Which three ordered pairs complete the table to give solutions of the equation y = –6x?



A.
(–2, 12), (0,0), and (2, –12)

B.
(–2, 12), (0,–6), and (2, –12)

C.
(–2, –12), (0,0), and (2, 12)

D.
(–2, –12), (0,–6), and (2, 12)
Is C correct?

Answer 1

@Aveline @ijlal

Answer 2

y = –6x
Substitute 0 for x. Which two answers can you rule out?

Answer 3

c is not correct

Answer 4

all points that have their y coordinate larger than their x coordinate by a factor of -6 are correct.

Answer 5

BTW: I am using https://www.desmos.com/calculator

Answer 6

just do this, y coordinate / x coordinate must be -6, else it doesn't lie on that line.

Answer 7

It's faster if you don't graph. Just plug in values for x and see if they work...

Answer 8

with exception to (0,0)

Answer 9

A.
(–2, 12), (0,0), and (2, –12)

B.
(–2, 12), (0,–6), and (2, –12)

C.
(–2, –12), (0,0), and (2, 12)

D.
(–2, –12), (0,–6), and (2, 12)

The equation is y=-6x
If we plug in 0 for x, we get (0,0).
We can eliminate B and D as answers.
Next, we can plug in 2 for x:
y=-6(2)
We know the answer is B

Answer 10

I thought you said we eliminate b and d, so how is b the answer?/

Answer 11

Oops sorry, I meant the answer is A

Answer 12

by the graph that i attached you can see that the ordered pairs in part A lie on the graph so your answer is A just plot the graph and compare your points/pairs for better understanding its lengthy but fully eliminates confusion :) hope you understand

Answer 13

@XxStudyingStuffxX

Answer 14

Thanks! I got 100%!