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3 years ago

Write the equation of the line perpendicular to y=4/3x+1 that passes through the points (-8, 4).

Mathematics

1 answer:

Murrr4er [49]3 years ago

3 0

Answer:

The equation is;

y = -3/4x + 12

Step-by-step explanation:

The general form for the equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

With respect to this question;

4/3 is the slope and 1 is the intercept

If two lines are perpendicular, then the product of their slopes is -1

Mathematically;

4/3 * m2 = -1

m2 = -3/4

So to find the equation of this second line, we use the point slope form

This is;

y-y1 = m(x-x1)

y-4 = -3/4(x + 8)

y- 4 = -3/4x + 8

y = -3/4x + 12

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Maurinko [17]

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3 years ago

Last month, Sheldon earned $12.80 in interest on a $320 deposit into his bank account. If the interest earned is directly propor

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Answer:

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3 years ago

Refer to the image i couldnt copy it so the image is the quesstion<br><br> answer in true or false

Irina18 [472]

The sign of "b" on the numerator should be negative. So we conclude that the correct option is false.

<h3>Is the equation in the image correct or incorrect?</h3>

For a quadratic equation of the form:

$y = a*x^2 + b*x + c$

By using the Bhaskara's formula, the solutions of the equation:

$0 = a*x^2 + b*x + c$

Are given by the formula:

$x = \frac{-b \pm \sqrt{b^2 - 4ac} }{2a}$

Notice that the sign of the first term on the numerator should be negative, while on the image it is positive.

So the equation shown in the image is incorrect.

If you want to learn more about quadratic equations:

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2 years ago

How do I find the answer to this problem?

dlinn [17]

I think you multiply them both from the area

7 0

3 years ago

The car treves 15 milies in 3 hours.

solong [7]

9514 1404 393

Answer:

5 mph
50 miles

Step-by-step explanation:

To find miles per hour, divide miles by hours:

(15 mi)/(3 h) = 15/3 mi/h = 5 mi/h

To find distance, multiply speed by time.

(5 mi/h) × (10 h) = 50 mi

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2 years ago