3 years ago

4x^9y^-4 / x^8y^-6 Evaluate the expression for x = 5 and y = 2. ху

Mathematics

1 answer:

kramer3 years ago

3 0

Answer:

Step-by-step explanation:

SIMP - lifiy the equation: (see what I did there :D)

4xy^2 = 4(5)(2^2) = 80

ANSWER: 80

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

marta [7]

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:

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