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Svetach [21]
3 years ago
11

How do you find the AOS and vertex of a quadratic?

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:

The standard form of a quadratic is y = ax^2 + bx + c.

  • In this equation, the formula for the axis of symmetry is x = \frac{-b}{2a}.
  • You know that the center will always be along that line, and you've got the x-coordinate already, so just plug that in and get the y-coordinate out for the center.

The vertex form of a quadratic is also helpful, y = a(x-h)^2 + k.

  • In this equation, the formula for the center is (h, k), and the axis of symmetry is x = h! That's even easier!
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Help me plz i’ll give extra points
PtichkaEL [24]
The answer to your question is most likely A
4 0
2 years ago
Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. a. How many times larger is the are
PSYCHO15rus [73]

Answer:

The answer is below

Step-by-step explanation:

a) Triangle A is attached in the image below.

The base of triangle A is 3 units and its height is 3 units. The area of a triangle  is given as:

Area = (1/2) × base × height

Area of triangle A = (1/2) × base × height = (1/2) × 3 × 3 = 4.5 unit²

Area of the scaled copy = 72 unit²

Ratio of area = Area of the scaled copy / Area of triangle A = 72 unit² / 4.5 unit² = 16

Hence the scaled copy area is 16 times larger than that of triangle A.

b) For the scaled copy:

Area of the scaled copy = (1/2) × base × height = 72 unit²

base × height = 144

Since the base and height are equal

base² = 144

base = 12, also height = 12

Base of scaled copy = 12 = 4 × base of triangle A

Therefore the scale factor used is 4

7 0
3 years ago
50 POINTS !!
Anna35 [415]

Answer:

Step-by-step explanation:

Hope this helps u!!

7 0
2 years ago
CDs costs $4 each and DVD cost $8 each.
Licemer1 [7]

Answer:

0 and 4

1 and 3

2 and 2

3 and 1

4 and 0

Step-by-step explanation:

If you need 4 gifts and you want to spend less than $40, then you could buy

1 cd+ 3 dvds for $25

2 cds + 2 dvds for $24

3 cds + 1 dvd for $20

4 cds and 0 dvds for $16

0 cds and 4dvds for $32

Any of these solutions will work

8 0
2 years ago
Solve for the variable h.<br> f=12gh<br> h=?
s344n2d4d5 [400]
f=12gh\\\\12gh=f\ \ \ \ \ |divide\ both\ sides\ by\ 12g\\\\\boxed{h=\frac{f}{12g}}
4 0
2 years ago
Read 2 more answers
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