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3 years ago

Math question.......................................

Mathematics

2 answers:

Lana71 [14]3 years ago

8 0

Question 1:

The answer is A: Sam.

His table is the only one that follows the conditions set in the question.

Question 2:

Choosing two points; (0, 14) and (4, 10)

Slope (m) = \frac{10 - 14}{4 - 0} = \frac{-4}{4} = -1

Thus, equation,

y - y_{1} = m(x - x_{1})

y - 10 = -1(x - 4)

y = -x + 14

I'm getting that for my equation of the line, so my best guess is that the answer is C.

Read more on Brainly.com - brainly.com/question/4814053#readmore

ValentinkaMS [17]3 years ago

3 0

Question 1:

The answer is A: Sam.

His table is the only one that follows the conditions set in the question.

Question 2:

Choosing two points; (0, 14) and (4, 10)

Slope (m) = $\frac{10 - 14}{4 - 0} = \frac{-4}{4}$ = -1

Thus, equation,

$y - y_{1} = m(x - x_{1})$

$y - 10 = -1(x - 4)$

$y = -x + 14$

I'm getting that for my equation of the line, so my best guess is that the answer is C.

The reason I got my answer is probably because I made a calculation mistake somewhere. If you use my methods, you should arrive at the correct answer.

The answer is C. ( I believe )

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Okay, what’s the rest of the question?

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Step-by-step explanation:

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3 years ago

Which statements about the function are true? Select two

iogann1982 [59]

Answer:

The vertex of the function is at (1,-25)

Step-by-step explanation:

I think your question missed key information, allow me to add in and hope it will fit the orginal one.

Part of the graph of the function f(x) = (x + 4)(x-6) is shown below.

Which statements about the function are true? Select two

options.

The vertex of the function is at (1,-25).

The vertex of the function is at (1,-24).

The graph is increasing only on the interval -4< x < 6.

The graph is positive only on one interval, where x <-4.

The graph is negative on the entire interval

My answer:

Given the factored form of the function:

f(x) = (x + 4)(x-6)

<=> f(x) = $x^{2} - 2x -24$

We will convert to vertex form

<=> f(x) = ( $x^{2} - 2x +1$ ) - 25

<=> f(x) = $(x-1)^{2} -25$

=> the vertex of the function is: (1,-25)

We choose: a. The vertex of the function is at (1,-25)

Let analyse other possible answers:

c. The graph is increasing only on the interval -4< x < 6.

Because the parameter a =1 so the graph open up all over its domain and the vertex is the lowest point.

So the graph is increasing in the domain (1, +∞)

=> C is wrong

d. The graph is positive only on one interval, where x <-4

Wrong, The graph is positive only on one interval, where x > 6

e. The graph is negative on the entire interval

Wrong, The graph is negative only on one interval, where -4< x < 6.

7 0

3 years ago

Simplify (-6.5)(2)(-5)

VLD [36.1K]

The answer is 65, hope this helps!

5 0

3 years ago

Read 2 more answers