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ziro4ka [17]
2 years ago
14

-7x - 4y = -4 find the slope and y intercept of the line

Mathematics
1 answer:
ki77a [65]2 years ago
3 0

Answer:

The slope is -7/4 and the y intercept is 1

Step-by-step explanation:

-7x - 4y = -4

Put the equation in slope intercept form and solve for y

y = mx+b where m is the slope and b is the y intercept

Add 7x to each side

-7x - 4y+7x =+7x -4

- 4y =7x -4

Divide by -4

-4y/-4 = 7x/-4 -4/-4

y = -7/4 x +1

The slope is -7/4 and the y intercept is 1

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The length of a square is 4x-3. Find the area in terms of x
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Answer:

The area  of square in terms of x = 16x² -24x + 9

Step-by-step explanation:

It is stated in the question that the length of a square = 4x - 3

Formula to find the area of the square is

<h2 /><h2>Area = length²</h2><h2 />

Area = ( 4x - 3 )²

<em>by using ( a - b )² = a² + b² - 2ab</em>

here a = 4x and b = -3

So,

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16x² + 9 - 24x

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