mafisherman09 mafisherman09
  • 24-11-2020
  • Mathematics
contestada

8x^(2)+16x=42 completeing the square

Respuesta :

yuh907
yuh907 yuh907
  • 24-11-2020
16
x
2
+
16
x
=
42
Step 2: Subtract 42 from both sides.
16
x
2
+
16
x
−
42
=
42
−
42
16
x
2
+
16
x
−
42
=
0
For this equation: a=16, b=16, c=-42
16
x
2
+
16
x
+
−
42
=
0
Step 3: Use quadratic formula with a=16, b=16, c=-42.
x
=
−
b
±
b
2
−
4
a
c
2
a
x
=
−
(
16
)
±
(
16
)
2
−
4
(
16
)
(
−
42
)
2
(
16
)
x
=
−
16
±
2944
32
x
=
−
1
2
+
1
4
46
or
x
=
−
1
2
+
−
1
4
46
Answer:
x
=
−
1
2
+
1
4
46
or
x
=
−
1
2
+
−
1
4
46
Answer Link

Otras preguntas

what is a closed-ended question?
Write the equation For a Line that intersects points(1,3) And (2,5) which one is a.y=x+2 B.y=2x+1. C.y=3x-3. D.Y=-x+3 For me is letter B.please help
Julius Caesar, hero or tyrant?! And why????
The sum of two numbers is 17 and their different is 5. Find two answers
the one to one functions G and H are defined as followG={(-8,1),(1,5),(4,-5)(8,-9)}H(x)=3x+4find the following g^-1(1)=h^-1(x)=(h^-1oh)(-2)=
The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. Identify which type of sampli
what is a dangling modifier?
sue stacked one box onto another. the bottom had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. how tall were the stacked boxes?
What are the functions of:Salivary Glands...Gallbladder...Liver...Pancreas..
Find the domain of each rational expression. f(x)=5x-7/4