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klemol [59]
3 years ago
7

How do we calculate the vertex of a quadratic in standard form?

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

y = a x^{2} + b x + c .

Step-by-step explanation:

Also (How to do it!):

We can find the vertex of a quadratic equation with these steps:

Get the equation in the form y = ax2 + bx + c.

Calculate -b / 2a. This is the x-coordinate of the vertex.

To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.

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aleksklad [387]
7,000 ones is the answer
4 0
3 years ago
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Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form.
lys-0071 [83]

Answer:

5

Step-by-step explanation:

Slope equation is (y2-y1)/(x2-x1)

(-1-4)/(2-3)

-5/-1

5

6 0
3 years ago
You and three friends are eating a pizza with 12 pieces. Each person eats the same number of pieces. Let x represent the number
Setler [38]

Answer:

C. 4x = 12

Step-by-step explanation:

You and three friends= you + 3 friends=4 people

Pizza= 12 pieces

Each person eats equal pieces of pizza

x= number of pieces each person ate

Equation

4x=12

Divide both sides by 4

x=12/4

=3

x=3

Therefore, each person ate 3 pieces of pizza each

Check:

4x=12

4(3)=12

12=12

6 0
2 years ago
Durant and Westbrook are playing a three-point challenge game to improve long distance shooting. Each time each of them makes a
muminat

i think its C

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3 0
2 years ago
Our work: -2x + 4 = 5 - 3x
Vikentia [17]

Answer:

x=1

Step-by-step explanation:

-2x + 4 = 5 - 3x

Add 3x to each side

-2x+3x + 4 = 5 - 3x+3x

x +4 =5

Subtract 4 from each side

x+4-4 =5-4

x =1

6 0
3 years ago
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