Find an equation of the hyperbola having foci at (-9,-4) and (7,-4) and vertices at (-6, -4) and (4.-4).
1 answer:
You might be interested in
Answer:
See explanation
Step-by-step explanation:
Given the inequality
A) Add -3 to both sides of inequality:
Divide by -7 (remember, dividing the inequality by negative number changes the sign of inequality):
B) Plot open circle at -6 on the number line and shade all values of x which go to the left from -6 (see attached diagram).