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galina1969 [7]
3 years ago
7

8x-5y=-118x−5y=−118, x, minus, 5, y, equals, minus, 11 xxx-intercept: \Big((left parenthesis ,,comma \Big))right parenthesis yyy

-intercept: \Big((left parenthesis
Mathematics
1 answer:
ZanzabumX [31]3 years ago
3 0

Given:

The equation is

8x-5y=-11

To find:

The x-intercept and y-intercept of the given equation.

Solution:

We have,

8x-5y=-11

For x-intercept, y=0.

8x-5(0)=-11

8x=-11

x=-\dfrac{11}{8}

x=-1.375

So, the x-intercept is at point (-1.375,0).

For y-intercept, x=0.

8(0)-5y=-11

-5y=-11

y=\dfrac{-11}{-5}

y=2.2

So, the y-intercept is at point (0,2.2).

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In Lesson 3.05 we discussed comparing the key features of two functions given in different forms. Given the functions below:
Tamiku [17]

Answer:

A. f(x): (0,\frac{-1}{3}), g(x): (0,0)

B. f(x): 'y= 0' as horizontal asymptote, g(x): 'x= 4' as vertical asymptote.

Step-by-step explanation:

We are given the functions, f(x)=\frac{1}{x-3} and graph of g(x).

Part A: We know that,

<em>'Y-intercepts are the points where the graph of the function crosses y-axis'.</em>

<em>That is, 'y-intercept is obtained when x= 0'.</em>

So, we have,

When x= 0, f(0)=\frac{1}{0-3} i.e. f(0)=\frac{-1}{3}.

Thus, the y-intercept of function f(x) is the point (0,\frac{-1}{3}).

Also, from the graph of g(x), we see that, the graph crosses y-axis at the point (0,0).

Thus, the y-intercept of g(x) is (0,0).

Part B: We know that,

<em>'Asymptotes are the line or curves approaching the graphs of the functions arbitrarily close'.</em>

Now, as we have the function f(x) is a rational function and the degree of numerator is less than the degree of the denominator.

So, the function f(x) will have 'y= 0' as the horizontal asymptote.

Also, from the graph of the function g(x), we see that,

The line 'x= 4' is the vertical asymptote as it is approaching the graph closely.

So, the function g(x) have 'x= 4' as the vertical asymptote.

8 0
3 years ago
Read 2 more answers
How would one be able to apply algebra to solve a random number problem?
almond37 [142]

Algebra can be used to solve a random number problem by considering order of operations.

Step-by-step explanation:

Algebra is one of the broad parts of mathematics, together with number theory, geometry, and mathematical analysis. It is used to represent the  letters and symbols than numbers and quantities.

Algebra is of two types

i.) Elementary algebra  ,   ii.) Abstract algebra

Elementary algebra is used for any study and their applications.

Abstract algebra is used for advanced mathematics by professionals.

The order of operations in algebra means solving first for exponents or roots, then multiplication, division, addition, and last for subtraction. The steps for the order of operations also require attention to mathematical grouping symbols, such as parentheses and brackets.

5 0
3 years ago
Estimate 1.9 x 4.4
Lelechka [254]

Answer:

A

Step-by-step explanation:

1.9 about 2, and 4.4 is about 4.

2x4=8

So it is safe to say between 4 and 10.

3 0
3 years ago
A conical-shaped umbrella has a radius of 0.4 m and a height of 0.45 m. Calculate the amount of fabric needed to manufacture thi
bonufazy [111]

Answer:

The correct answer will be "0.756596 m²".

Step-by-step explanation:

The given values are:

The radius of an umbrella,

r = 0.4 m

The height of an umbrella,

h = 0.45 m

As we know,

The lateral surface of an umbrella will be:

⇒  \pi r\sqrt{r^2+h^2}

On substituting the values, we get

⇒  \pi \times 0.4\sqrt{(0.4)^2=(0.45)^2}

⇒  0.756596 \ m^2

So that the amount of fabric needed will be "0.756596 m²".

7 0
3 years ago
The constant in the expression 8x 3 + 4x 2 – 9 is
Ket [755]

Answer : 9

Step-by-step explanation:

The answer is 9 because a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.

6 0
3 years ago
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