dede2234
dede2234
31-01-2017
Mathematics
contestada
What is the vertex of y=2x^2+12x+22
Respuesta :
apologiabiology
apologiabiology
31-01-2017
the x value of the vertex for
ax²+bx+c=y is -b/2a
so
y=2x²+12x+22
b=12
a=2
-b/2a=-12/(2*2)=-12/4=-3
that is x value
to find y value, sub the x value for x
-3 for x
y=2(-3)²+12(-3)+22
y=2(9)-36+22
y=18-14
4
(-3,4) is vertex
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
C. How far do differences in behaviour relate to national characteristics?
Two sides of a triangle have lengths 11 and 18. What must be true about the length of the third side? less than 29 less than 18 less than 33 less than 11
Combine the like terms to create an equivalent expression. (Plz help.)7n + 4n(first one who answers get marked as brainliest. But others will still be appreciat
How to Become a Millionaire Upon graduating from col- lege, Donna has no initial capital. However, during each year she makes deposits amounting to d = $1000 in
2. A block of wood of uniform density floats so that exactly one quarter of its volume is under water. The density of water is 1000 kg/m3. What is the density o
A diet is to include at least 140 milligrams of Vitamin A and at least 145 milligrams of Vitamin B. These requirements can be obtained from two types of food.
green plants make their food by the process of _________
Home Is Not Home Without Mom please comment
What was the significance of the Soviet Union's invasion of Korea during World War II? Communism improved the state of Korea's economy. China joined the war to
Which child is at the greatest risk for overweight? a. Cecilia, who watches 1 hour of TV in the family room each day b. Leo, who watches 2 hours of TV and Int
