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3 years ago

Write an equation for a line parallel to y=−4x+5 and passing through the point (4,-21)

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

6 0

Answer:

y = - 4x - 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 4x + 5 is in this form with slope m = - 4

• Parallel lines have equal slopes, hence

y = - 4x + c ← is the partial equation of the parallel line

To find c substitute (4, - 21) into the partial equation

- 21 = - 16 + c ⇒ c = - 21 + 16 = - 5

y = - 4x - 5 ← equation of parallel line

Sindrei [870]3 years ago

3 0

Answer:

Y=-4x-5

Step-by-step explanation:

-21=-4(4)+b

-21=-16+b

b=-5

y=-4x-5

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1 year ago

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3 years ago

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3 years ago

he volume of a fish tank is 50 cubic feet. If the density is 0.2 fish over feet cubed, how many fish are in the tank?

V125BC [204]

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Solution:

Given that, volume of a tank is 50 cubic feet

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Number of fish in the tank is found by multiplying the volume of tank and density

The formula is given by:

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Substituting the given values, we get

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4 years ago