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lara31 [8.8K]
3 years ago
10

23) Write an equation in slope-intercept form that passes through (-4,-2) and has a slope of -9.

Mathematics
2 answers:
OLga [1]3 years ago
8 0

The slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

This is the formula we have so far:

y = -9x + b

Now we must find b

To do that you must plug in the point the line goes through in the x and y of the equation.

(-4, -2)

-2 = -9(-4) + b

-2 = 36 + b

-38 = b

y = -9x - 38

Hope this helped!

~Just a girl in love with Shawn Mendes

Katen [24]3 years ago
7 0

Answer:

y=-9x-38

Step-by-step explanation:

In slope intercept form we know that the equation for a line is given by

y=mx+b, Where m is the slope (which we have and is -9) and b is the 'y' axis intercept point.

Lets use the given point (-4,-2) to find b

y=-2 and x=-4

-2=-9*-4 +b

We have b=-38

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8 0
3 years ago
Which of the following points is a vertex for the image produced by a dilation about the origin with a scale factor of 1/2?
MA_775_DIABLO [31]

Answer:

A (0,3)

Step-by-step explanation:

The given trapezoid has vertices:

(0,6), (7,12), (7,9) and (0,12).

We want to choose from the given options, a point that is a vertex for the image produced by a dilation about the origin with a scale factor of 1/2.

Note that the mapping for such a dilation is:

(x,y)\to( \frac{1}{2} x, \frac{1}{2} y)

This implies that:

(0,6)\to(0,3)

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8 0
3 years ago
You estimate that a baby pig weighs 21 lbs but it weighs 28 lbs what is the percent of error
lbvjy [14]
Your estimate of the baby pig's weight is 2 pounds. However the actual weight of it is only 16 pounds.
Let's solve for the percentage error of this.
=> 20 - 16 = 4 pounds
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=> 0.25 * 100% = 25%
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3 0
3 years ago
Read 2 more answers
What is the quotient? ​
Karolina [17]

Answer:

1/9

Step-by-step explanation:

(-3)^0 = 1

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so, 1/9

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3 years ago
In ΔNOP, p = 38 cm, n = 13 cm and ∠O=152°. Find the area of ΔNOP, to the nearest square centimeter.
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Answer:

Step-by-step explanation:

Answer-116

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