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4 years ago

Which choice represents the equation of the line with a y-intercept of -5 and parallel to the line whose equation is 2y + 4x=8

Mathematics

1 answer:

Andreas93 [3]4 years ago

7 0

Answer:

y = -2x - 5

Step-by-step explanation:

The slope of the given line is found by solving 2y + 4x = 8 for y:

2y = -4x + 8, or y = -2x + 4. The slope is -2.

We need to find the equation of a line parallel to this one and with y-intercept -5:

y = mx + b becomes, after suitable substitutions, y = -2x - 5

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3 years ago

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4 years ago

What is the volume of a prism that is 11×13×21?

posledela

Answer:

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3 years ago

Determine the constant of variation for the direct variation given.

ohaa [14]

Answer:

B. 5

Step-by-step explanation:

We have been given that R varies directly with S. When S is 16, R is 80. We are asked to find constant of variation.

We know that two directly proportional quantities are in form $y=kx$ , where,

k = Constant of variation.

Upon substituting our given values, we will get:

$R=k*S$

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$\frac{80}{16}=\frac{k*16}{16}$

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Therefore, the constant of variation is 5 and option B is the correct choice.

6 0

3 years ago