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Natali [406]
3 years ago
12

How to write a quadratic function in vertex form and identify the vertex?

Mathematics
1 answer:
Nady [450]3 years ago
8 0
Suppose a quadratic function like
f(x) = a {x}^{2}  + bx + c
the vertex will be
x =  \frac{ - b}{2a}  \\ y =  \frac{4ac -  {b}^{2} }{4a}
You might be interested in
Solve 4|p - 3|= |2p + 8|.
nataly862011 [7]

Answer: p = 10

Step-by-step explanation:

4|p-3| = |2p + 8|. First multiply 4 with p and -3. You’ll get 4p-12. You will now have 4p-12 = 2p+8. You have to switch -12 & 2p, but you have to switch the signs so -12 turns into +12 and 2p turns into -2p. 4p-2p = 8+12. This makes  2p=20. Your final answer will be p = 10.

4 0
3 years ago
Which quadrilateral makes this statement true?<br><br><br>Quadrilateral ABCD ≅ _____
leva [86]

Answer:

B

Step-by-step explanation:

They are literally the same quadrilateral. Same side lengths and angle measures.

6 0
2 years ago
Determine whether the following statement is true or false. Explain.
andrey2020 [161]

Answer:

Hey its D I think.

Step-by-step explanation:

1. The way I think of it is putting a negative number in front as a x value.

I chose -1,-2 and -3.

-1-5<0       -2-5<0    -3-5<0

-6<0           -7<0         -8<0

The reason why it satisfies because negative number are all real numbers less than one. Hope that helps:)

3 0
3 years ago
The expression for thrice of a number m is m +3. true or false
Blizzard [7]

Answer:

False

Step-by-step explanation:

the \: expression \: is \: 3x

3 0
2 years ago
Read 2 more answers
What is the opposite of 4.25
Margaret [11]

Answer:

-4.25

Step-by-step explanation:

The given number is 4.25 and we have to find the opposite of this number.

Opposite of a number is also known as additive inverse and it is defined as "if the sum of two numbers is zero then two numbers are opposite or additive inverse of each other"

For example, if x is a number then its opposite is -x.

and hence, x + (-x) = 0

Using this fact, we can conclude that the opposite of 4.25 is -4.25 because

4.25 + (-4.25)

= 4.25 - 4.25

=0

4 0
3 years ago
Read 2 more answers
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