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ra1l [238]
3 years ago
5

A pair of linear equations is shown below:

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0

Answer:

The correct option is D.

Step-by-step explanation:

The given equations are

y=-x+1

y=2x+4

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

In equation (1),

y=-x+1

Here, m=-1 and b=1. It means the slope of the line is -1 and y-intercept is 1.

In equation (1),

y=2x+4

Here, m=2 and b=4. It means the slope of the line is 2 and y-intercept is 4.

The steps to solve the pair of equations graphically are:

Step 1: On a graph, plot the line y = -x + 1 which has y intercept = 1 and slope = -1; and y = 2x + 4 which has y intercept = 4 and slope = 2.

Step 2: Write the coordinates of the point of intersection of the two lines as the solution.

Therefore the correct option is D.

trapecia [35]3 years ago
5 0
That would be option D

The y intercepts are 1 and 4 and the slope are -1 and 2.
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