Solve the system of two linear inequalities graphically. y-7x>7 y>-2 Find the region with points that satisfy both inequalities. Select the region you wish to be shaded: A, B, C or D

1 answer

To graphically solve the system of two linear inequalities, we start by graphing each individual inequality and then identify the region that satisfies both inequalities.

1. Graph the first inequality, y - 7x > 7:
To graph this inequality, we can start by graphing the equation y - 7x = 7.
Rearranging this equation, we get y = 7x + 7 which is in the slope-intercept form (y = mx + b).

Let's find two points on this line:
When x = 0, y = 7(0) + 7 = 7. So, we have the point (0, 7).
When x = 1, y = 7(1) + 7 = 14. So, we have the point (1, 14).

Plot these two points and draw a line passing through them. Note that the line should be dashed since the inequality is greater than (>) (not greater than or equal to).

2. Graph the second inequality, y > -2:
To graph this inequality, we need to draw a horizontal line at y = -2. Note that the line should be solid (since the inequality includes equal to (=)) and does not pass through (0, -2).

3. Find the region that satisfies both inequalities:
Now, we need to find the region that satisfies both inequalities. This is done by comparing the graphs of the two inequalities.

Region A will be shaded since it represents the region where both inequalities are satisfied.