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notka56 [123]
4 years ago
7

Rewrite f(x) = 2(x − 1)2 + 3 from vertex form to standard form.

Mathematics
2 answers:
jenyasd209 [6]4 years ago
8 0
He knew what he was doing.
serious [3.7K]4 years ago
5 0

Answer:

Step-by-step explanation:

f(x) = 2(x − 1)² + 3

     = 2 ( x² - 2x +1) +3

      = 2x² - 4x +2 +3

f(x) = 2x² − 4x + 5   .....standard form.

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Sofia hits a softball straight up. the equation h= -16t^2 + 90t models the height h, in feet, of the ball after t seconds. How l
andrezito [222]
It is in the air 5.625 seconds.

Using the quadratic formula,

t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}
\\
\\=\frac{-90\pm \sqrt{90^2-4(-16)(0)}}{2(-16)}
\\
\\=\frac{-90\pm \sqrt{8100-0}}{-32}
\\
\\=\frac{-90\pm \sqrt{8100}}{-32}=\frac{-90\pm90}{-32}
\\
\\=\frac{-90+90}{-32}\text{ or }\frac{-90-90}{-32}=\frac{0}{32}\text{ or }\frac{-180}{-32}
\\
\\=0\text{ or }5.625

0 is when the ball is first launched, 5.625 is when it hits the ground again.
4 0
3 years ago
What is the center circle equation for (-6,5) passing through (-11,3)
leva [86]
The answer to putting them together-would be (2,5). And the equations would be y-y over x-x -6 and -11 being x and 5 and 3 being y
6 0
3 years ago
Please help anything is appreciated
Katena32 [7]

Answer:

q = -2

Step-by-step explanation:

Constant = whole number

If the two lines are parallel the slopes would be equal.

So if the first line is y = -2x + 5/3

The the second line would become y = -2x + 6.

If q becomes -2, it will be a constant and the two lines will also be parallel

7 0
3 years ago
??????????????????????
natita [175]

Answer:

Figure out what x is for both equations, then you can tell if the equations are the same

Step-by-step explanation:

1. 4x+1=9

x = 2

4 x 2= 8

2x+1=5

x = 2

2 x 2 = 4

4 does not = 9 so no.

4 0
3 years ago
QUESTION 2
WITCHER [35]

Answer: 106.76yards

Step-by-step explanation:

Circumference of a circle is given as:

= 2πr

where,

π = 3.14

r = 17 yards

Circumference = 2πr

= 2 × 3.14 × 17.

= 106.76yards

Therefore, the circumference of the circle will be 106.76yards

6 0
3 years ago
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