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Shalnov [3]
3 years ago
14

HELP PLEASE!!!ASAP

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0

Answer:

Slope = 2

Y-Intercept = 4

Equation of Line is y=2x+4

Step-by-step explanation:

y-intercept is the point in the y-axis, where the line cuts it. So, looking at the graph, the y-intercept would be y = 4

To figure out the slope, we take any two points and calculate using the formula:

m=\frac{y_2 - y_1}{x_2 - x_1}

Where, m is the slope

(x_1,y_1) is the first coordinate, and

(x_2,y_2) is the second coordinate

<em>Let's take two points as: (-2,0) & (-1,2)</em>

<em />

Plugging these into the formula we get the slope as:

m=\frac{y_2 - y_1}{x_2 - x_1}\\m=\frac{2-0}{-1--2}=\frac{2}{1}=2

Hence slope is 2

Equation of the line is given as y = mx + b, where m is the slope (in our case 2) and b is the y-intercept (in our case 4). Thus:

Equation of Line: y=2x+4

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Under his cell phone plan, Owen pays a flat cost of $67.50 per month and $4 per gigabyte. He wants to keep his bill at $71.90 pe
Agata [3.3K]

Answer:

1.1 gigabytes

Step-by-step explanation:

Let us represent:

The number of gigabytes = g

Under his cell phone plan, Owen pays a flat cost of $67.50 per month and $4 per gigabyte. He wants to keep his bill at $71.90 per month.

The Equation is given as:

$71.90 = $67.50 + $4 × g

71.90 = 67.50 + 4g

71.90 - 67.50 = 4g

4.4 = 4g

x = 4.4/4

x = 1.1 gigabytes

Therefore, the number of gigabytes of data Owen can use while staying within his budget is 1.1 gigabytes

8 0
3 years ago
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Given h(x) = 4x2 + 3x – 8, what is the value of h(–9) ?
fenix001 [56]

Answer:

h(-9) = -107

Step-by-step explanation:

h(-9) = 4(-9)2 + 3(-9) - 8 = -107

6 0
3 years ago
What is equivalent to (x+1) (x-2)(x+4)(3x+7)
marta [7]

Answer: 6x*9

Step-by-step explanation:

open parathesises to

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combine like terms

6x*9

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hope i did this right and it helps :)

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What are the x and y intercepts of the equation: 10x + 4y = -20?
snow_tiger [21]

Answer:

x= (-2, 0) y=(0, -5)

Step-by-step explanation:

or you could say -2 and -5

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Which of the following functions are an example of exponential growth ?
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Answer:

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