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3 years ago

If f(x) = 2x2 + bx + c, find the value of "c" that makes the vertex of the given graph the same as the vertex of f(x).

Mathematics

2 answers:

AlekseyPX3 years ago

8 0

Well it was a lucky guess but the answer is 75

andrew-mc [135]3 years ago

7 0

Answer:

Use x =

−b

→ 6 =

−b

2(2)

→ b = −24. Use the point (6, 3) in the function f(x) = 2x2 + bx + c → 3 = 2(6)2 −24(6) + c → c = 75

Step-by-step explanation:

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Factorise 16 x²+ 4 y² + 9 z²

Dominik [7]

Answer:

The expression is not factorable with rational numbers.

Step-by-step explanation:

4 0

2 years ago

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Find the area of this circle. Use 3 for a.A = 7r2=11 in[?] in?

liberstina [14]

SOLUTION

We want to find the area of the circle in the picture given.

We have been given the formula as

$\begin{gathered} A=\pi r^2 \\ We\text{ are told to take }\pi\text{ as 3} \\ \end{gathered}$

From the circle, the radius r = 11 in.

The area of the circle becomes

$\begin{gathered} A=\pi r^2 \\ A=\pi\times r^2 \\ A=3\times11^2 \\ A=3\times11\times11 \\ A=363in^2 \end{gathered}$

Hence the answer is 363 square-inches

7 0

8 months ago

What is the unit rate for 297 words in 5.5 minutes

Stolb23 [73]

297:5.5

divide 5.5 by both sides which

5.5 divided by 5.5 is 1 and 297 divided by 5.5 is 54

1:54

the unit rate:

54 minutes per word or 54/1

6 0

3 years ago

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please help please help please help Suppose Karen $1000 that she invests in an account that pays 3% interest compounded annually

mojhsa [17]

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2 years ago

Bought three books: 150, if one book cost 50% more than the other two combined what was the price of the more expensive book

EleoNora [17]

Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90

7 0

3 years ago