Answer:

Step-by-step explanation:
Factor using the perfect square rule.
:)
Answer:
x= -5, -12
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:

Answer:
305 feet
Step-by-step explanation:
you only need to replace the given data into the equation.
the value (y) is the one you are being asked to find and (x) is the given one
so:
y=8.5(x)-77.5
y=8.5(45)-77.5
y=382.5-77.5
y=305
since the units are given, you instantly know that y=305feet
The quadratic formula is one of the ways to find a solution to the quadratic equation, alongside graphing and completing the square. The quadratic formula can be represented as

where a is the squared value, b is the multiplied value, and c is the constant.