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Lena [83]
3 years ago
5

Write an equation that is parallel to y=-4x+5 and passes through the point (-2,-1)

Mathematics
1 answer:
marta [7]3 years ago
8 0

The equation of line parallel to y=-4x+5 is y = -4x-9

Further explanation:

Given equation of line is:

y = -4x+5

Comparing it with the standard form of equation

y=mx+b\\Then\\m = -4

As the slopes of parallel lines is equal, the slope of the line parallel to given line will be same. Putting the value of slope in standard equation.

y = mx +b\\y = -4x +b

To find the value of b, the given point will be put in the equation

-1 = -4x -2\\-1 = -4(-2) +b\\-1 = 8 +b\\-1 -8 = b\\-9 = b

Putting the values of b and m in standard form

y = -4x -9

So, the equation of line parallel to y=-4x+5 is y = -4x-9

Keywords: Slope, Equations of lines, Point-slope equation of line

Learn more about point-slope form at:

  • brainly.com/question/4192226
  • brainly.com/question/5223123

#LearnwithBrainly

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Nastasia [14]

Answer:

a = -1 , b = 4 , c = 3 , d = 1

Step-by-step explanation:

The general rules of exponent:

1) \ a^m * a^n = a^{m+n}\\2) \ a^m / a^n = a^{m-n}\\3) (-1)^m = 1 \ (if \ m \ is \ +) and \ = \ -1 \ (if \ m \ is \ -)

===================================================

Given:

(-xy)^3 (xz) =ax^by^cz^d

The right hand side = (-xy)³ (xz) = (-1)³ x³ y³ x z = (-1) x⁴ y³ z

Comparing the right hand side with the left hand side

∴ a = -1

∴ b = 4

∴ c = 3

∴ d = 1

8 0
3 years ago
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mars1129 [50]

Answer:

38

Step-by-step explanation:

A=11

T=2

U=16

AxU (11x2)=22

22+16

38

38 is the final answer

3 0
3 years ago
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Aloiza [94]

Answer:

b

Step-by-step explanation:

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3 years ago
Determine the slope of the line that has the following coordinates: (-3, 6) (4,-2)
fiasKO [112]

Answer: m=-\frac{8}{7}

Step-by-step explanation:

To calculate  the slope of the line that has the coordinates given in the problem you must use the formula shown below:

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

Given the points (-3, 6) (4,-2), when you substitute them into the eequation shown above, you obtain that the slope is the following:

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