If the x is squared, the parabola is vertical (opens up or down). If the y is squared, it is horizontal (opens left or right). If a is positive, the parabola opens up or to the right. If it is negative, it opens down or to the left.
Answer:
1.3 repeating
Step-by-step explanation:
Answer:
A=2(1+2)a2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Answer:
x=6 2/3
Step-by-step explanation:
Ratio of DEF:ABC=5/3
8*5/3=13 1/3
x=6 2/3