Question

Which system of linear inequalities is graphed?



a.
x<−3
{
y≤−x+1

b.
x<−3
{
y≤−x−1
c.
x≤−3
{
y≤−x−3
d.
x<−2
{
y≤−x−1

Answer 1

First, it is easy to narrow it down to 2 answers. Because there is a dotted vertical line, we know that X < -3 so it is either A or B. Next we look at the Diagonal line. The answer is narrowed down to B. Why? -1 A and B are almost identical, except that if it were answer A, then the diagonal line would intercept at positive 1 on the Y axis.