Question

IF CORRECT I WILL MARK BRAINLIEST (TIME LIMIT 10 minutes)

Line 1 passes through point (0, -1) and is parallel to the line whose equation is y = –2x + 7. Which equation best
describes the graph of line 1?

A) y = –2x+6

B) y = 2x + 6


C) y=1/2x – 1

D) y=-2x-1

Answer 1

Answer:

y = -2x - 1

Step-by-step explanation:

If two lines are parallel, then they must have the same slope but different y-intercepts.

Original line: y = -2x + 7

If we need to find a line parallel to this one, then that line has to have the same slope which is -2. This means you can eliminate B and C.

Now, the new line also has to pass through (0, -1). In order to find out which line is parallel, you have to plug in the coordinate points to its respective places for answer choices A and D.

Choice A:

y = -2x + 6

-1 = -2(0) + 6

-1 = 6

So, the answer is not A. Let's try D.

Choice D:

y = -2x -1

-1 = -2(0) - 1

-1 = -1

So, the answer is choice D.