the vertex of this parabola is at (-2,-3).When the y value is -2 the x value is -5 what is the coefficient of the squared term i

Question

valentina_108 [34]

3 years ago

13

the vertex of this parabola is at (-2,-3).When the y value is -2 the x value is -5 what is the coefficient of the squared term i

n the parabola equation

Mathematics

2 answers:

alisha [4.7K] · Answer 1 · 2022-02-09T05:03:34+03:00

alisha [4.7K]3 years ago

4 0

Answer:

-3

Step-by-step explanation:

Just took the test on APEX and got it correct

WITCHER [35] · Answer 2 · 2022-02-09T03:56:33+03:00

WITCHER [35]3 years ago

3 0

Y=a (x-h) ^ + k
so your parabola has an equation of:
y=a(x+2)^ -3

-2=a(5+2) ^ -3
-2=a(-3)^-3
-2=9a-3

adding them to both sides
1=9a

divide both sides:
1=9a

Divide both sides by 9:
a=1/9

the vertex form is:
y=(1/9)(x+2)^-3

The expanded form is:
y=(1/9)x^ + (4/9)x - (23/9)

Anw: E. (1/9)