Hello,
x²-5x-2=0
Δ=5²+4*2=33
==>x= (5-√33)/2 or x=(5+√33)/2
Answer:
80mph
Step-by-step explanation:
200 divided by 2 1/2 is 80.
5(-2)^3 5(-2) is -10 to the power of 3 is -1000
Answer:
:5:5&&'4&4&4&:&;4"33*2**223$&4&4&55&
Answer:
27
Question:
Find
so that
is a solution to
.
Step-by-step explanation:
So we are asked to replace
with -14 and solve for
in the equation:
.
with
:


Add 42 on both sides:

Divide both sides by 2:
.
So the
-coordinate that corresponding to
is
.
Verify that:
is a point satisfying
.
Replace
with 27 and
with -14:


is true so our work must be right.