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timama [110]
3 years ago
11

5 times the sum of x and 6

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0
You would start out with multiplying giving you 5(x+6). then you would have a product of 5x+30. hoped this helped!
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30/55 reduced fraction lowest term
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3 years ago
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Write the equation for the line in slope-intercept form.
Elan Coil [88]

Answer:

y = 4x + 3

Step-by-step explanation:

We are given the line shown in your question.

We want to write the equation of this line in slope-intercept form

Slope-intercept form is given as y=mx+b, where m is the slope and b is the value of y at the y intercept

As we are given the graph of the line, we can pick any 2 points to help us find the equation; in this case, let's take (0,3) and (-1, -1).

First, we need to find the slope of the line

The slope (m) can be found using the equation \frac{y_2-y_1}{x_2-x_1}, where (x_1, y_1) and (x_2, y_2) are points

Let's label the values of the points to avoid confusion and mistakes before calculating.

x_1= 0\\y_1=3\\x_2=-1\\y_2=-1

Now substitute these values into the equation for the slope

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

m=\frac{-1-3}{-1-0}

Subtract

m=\frac{-4}{-1}

Divide

m = 4

The slope of the line is 4

Here is the equation of the line so far:

y = 4x + b

Now we need to find b

As stated above, b is the value of y at the y intercept; the y intercept is the point where the line intersects with the y axis. The value of x at this point is 0

One of the points we used to calculate the slope was actually the y intercept point; this point is (0, 3). The value of y at this point is 3, so the value of b is 3

Substitute 3 as b in our equation

y = 4x + 3

Topic: finding the equation of the line

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The answer is
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B. x=-4

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