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Vlad1618 [11]
2 years ago
15

For the equation 8x + 2y = 16 What is the slope? What is the y-intercept (write as an ordered pair)? What is the x-intercept (wr

ite as an ordered pair)?​
Mathematics
2 answers:
GREYUIT [131]2 years ago
8 0

Answer:

Step-by-step explanation:

8x+2y=16

2y=-8x+16

y=-4x+8

slope is -4

y-intercept is (0,8)

x-intercept is (2,0)

nataly862011 [7]2 years ago
4 0

Answer:

slope = -4

y-intercept = (0,8)

x-intercept = (2,0)

Step-by-step explanation:

To find the slope:

8x + 2y = 16. First get the y by itself.

2y = -8x + 16. Then divide by 2

y = -4x + 8. So the slope is -4.

y-intercept:

8x+2y=16

8(0)+2y=16

2y=16

y=8

y-int: (0,8)

x-intercept:

8x+2y=16

8x+2(0)=16

8x=16

x=2

x-int: (2,0)

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Louisa wants to buy an online movie subscription that is on sale for
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Answer:

  • 0.85c
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Step-by-step explanation:

a) As a fraction of the original price Louisa will pay ...

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4 0
3 years ago
Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 3, YC = 2
Mazyrski [523]

Answer:

The ratio of the area of triangle XBY to the area of triangle ABC is \frac{9}{25}

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor and the ratio of its areas is equal to the scale factor squared

In this problem

Triangles XBY and ABC are similar, because the corresponding internal angles are congruent

see the attached figure to better understand the problem

step 1

Find the scale factor

Let

z-------> the scale factor

z=\frac{BY}{BC}

we have

BY=3\ units

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step 2

Find the ratio of the area of triangle XBY to the area of triangle ABC

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If two figures are similar, then the ratio of its areas is equal to the scale factor squared

we have

z=\frac{3}{5} -----> scale factor

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z^{2} =(\frac{3}{5})^{2} =\frac{9}{25}


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3 years ago
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8 0
3 years ago
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