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djverab [1.8K]
3 years ago
5

Look at the following pairs of numbers (x, y).

Mathematics
2 answers:
katrin2010 [14]3 years ago
8 0

Step-by-step explanation:

Taking the first coordinate point (3,16.5)

where x= 3 and y= 16.5

\frac{y}{x}  =  \frac{16.5}{3}

\frac{y}{x}  = 5.5

y = 5.5x

optionB

charle [14.2K]3 years ago
5 0

Answer:

B

Step-by-step explanation:

B. y = 5.5 x

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Answer:

875

Step-by-step explanation:

20x5=100

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2 years ago
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2 years ago
Rewrite y = x2 + x - 20 in factorized form.
Tcecarenko [31]

Answer:

y = x2 + x - 20 factors into

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Step-by-step explanation:

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Alecsey [184]

Answer:

Step-by-step explanation:

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A quadratic function is described by the equation f(x) = (x - 3) ^ 2 Which statement about the graph of the function is true?
Bond [772]

Answer: A) The only zero of the function is 3 which is where the graph of the function intersects the x-axis

Step-by-step explanation:

Remember, a quadratic function which has roots x = a, and x = b, can be written as:

p(x) = A*(x - a)*(x - b)

Where A is the leading coefficient. This is the factorized form of a quadratic.

We have the function:

f(x) = (x - 3)^2

Now, we could rewrite this as:

f(x) = (x - 3)*(x - 3) = 1*(x - 3)*(x - 3)

Then we wrote f(x) in its factorized form, from this, we can see that the roots of the function are x = 3, and x = 3 (we have the same root two times)

Then the only root of f(x) is x = 3.

Remember that a root (also called a zero) is the value of x where the function intersects the x-axis. then the correct option here is:

A) The only zero of the function is 3 which is where the graph of the function intersects the x-axis

4 0
3 years ago
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