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lions [1.4K]
3 years ago
9

Y= 9x + 7 over 3 rewrite in standard form

Mathematics
2 answers:
Helen [10]3 years ago
7 0
Subtract 9x from its side and move it over, -9x+y=7/3 should be your answer, hope i helped
andreev551 [17]3 years ago
7 0

Answer:

3x-1y=-\frac{7}{3}

Step-by-step explanation:

We've been given the equation y=\frac{9x+7}{3}

In order to bring it in the standard form we must write it as Ax + By = C

First, we need to split and divide both the terms of the numerator by 3 on the right side

y=\frac{9x}{3}+\frac{7}{3}

Simplifying \frac{9}{3}, we get 3

y=3x+\frac{7}{3}

Subtract \frac{7}{3} from both side

y-\frac{7}{3}=3x+\frac{7}{3}-\frac{7}{3}

Cancel out +\frac{7}{3} and -\frac{7}{3} from the right side

y-\frac{7}{3}=3x

Subtract y from both sides

y-\frac{7}{3}-y=3x-y

Cancel out y and -y on the left side

-\frac{7}{3}=3x-y

y is written as 1y

-\frac{7}{3}=3x-1y

Flip the sides

3x-1y=-\frac{7}{3}

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Answer:
B. 1 and -2
Explanation:
First, add up the equations:
x-x+3y+y=4
4y=4
y=1
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5 0
3 years ago
Look at the graph and choose the correct answer.
RideAnS [48]
So it’s -3 and the second one is +4
4 0
3 years ago
PLEASE HELP! BRAINLIEST! AND EXTRA POINTS
Rom4ik [11]

Answer:

The discount is $0.8d.

Step-by-step explanation:

Given that,

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Discount = 20%

Discount is applied to the original cost.

Discount = d-(20/100)d

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8 0
2 years ago
Determine the equation of a line through the point (3,-4) that is perpendicular to the line y=3x+7
Lana71 [14]

Answer:

y = - \frac{1}{3} x - 3

Step-by-step explanation:

The equation of a line in slope- intercept fprm is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x + 7 is in slope- intercept form

with slope m = 3

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{3}, thus

y = - \frac{1}{3} x + c ← is the partial equation of the perpendicular line

To find c substitute (3, - 4) into the partial equation

- 4 = - 1 + c ⇒ c = - 4 + 1 = - 3

y = - \frac{1}{3} x - 3 ← equation of perpendicular line

7 0
3 years ago
The graph below shows a line segment MN: graph of line MN going through ordered pairs negative 2, 3 and 1, negative 3 Which of t
Katyanochek1 [597]
The line segment goes through (-2,3) and (1,-3).

The slope of the line is
\frac{-3-3}{1-(-2)} = \frac{-6}{3} =-2

Therefore the equation of the line segment is of the form
y = -2x + b

Because the line segments goes through (-2,3), therefore
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4 + b = 3
b = -1

Answer: The equation is y = -2x - 1
8 0
3 years ago
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