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frosja888 [35]
3 years ago
15

What is the y-intercept of this line?

Mathematics
2 answers:
Alisiya [41]3 years ago
6 0

Answer:

3

Step-by-step explanation:

Each line represents one unit, so if we count up from the origin, or (0, 0), up until we get to the y-intercept, we count a total of 3 lines. That means the y-intercept is at (0, 3). We can just simplify this to 3, though. I hope this helps!

dybincka [34]3 years ago
3 0

Answer:

(0, 3)

General Formulas and Concepts:

<u>Algebra I</u>

  • The y-intercept is the y value when x = 0. Another way to reword that is when the graph crosses the y-axis.

Step-by-step explanation:

According to the graph, the line passes the y-axis at 3. Therefore, our y-int is (0, 3).

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Consider the graph above. Write about a situation that could be modeled using this graph. In your response, use the prompts belo
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Answer:

See Explanation

Step-by-step explanation:

Given

See attachment for graph

Required

A situation that can be modeled by the graph.

The prompt and the response are as follows:

<u>The type of function:</u>

It is a linear function

<u>The variables modeled in the function</u>

The variables are x and y

<u>The domain and the range</u>

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So, the domain and the range are:

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Range: \{-\infty \le y \le \infty \}

<u>Question that could be </u>answered<u></u>

The graph could be used to predict y value, given the x value.

Take for instance, find y when x = 10

The answer can be handpicked directly from the graph. However, the best way is to calculate the graph equation, first.

So, we have:

Pick any two points on the line of the graph

(x_1,y_1) = (-2,0)

(x_2,y_2) = (0,4)

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m = \frac{4 - 0}{0 - -2}

m = \frac{4}{2}

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y = m(x - x_1) + y_1\\

So, we have:

y = 2(x - -2) + 0

y = 2(x +2)

Expand

y = 2x +4

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