Answer:
A quadratic (equation or expression) involves the second and no higher power of an unknown quantity or variable.
Step-by-step explanation:
The quadratic formula is derived from the General form of a quadratic equation :
ax+bx+c=0
using completing the square method.
Quadratic formula=

Answer:
All the answers that has the dilation of 3, except the last one.
Answer:
The lines are parallel
Step-by-step explanation:
If they have no solution that means that they never intersect which akes them parallel