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kolezko [41]
3 years ago
8

Write the equation of a line in slope intercept form that has a slope of -2 and passes through the point (5,11).

Mathematics
1 answer:
VikaD [51]3 years ago
3 0

Answer:

y = -2x + 21

Step-by-step explanation:

use point intercept form: y = mx + b where m is the slope and b is the y intercept

to find the y intercept, b, plug in values into equation and solve for b

11 = (-2) (5) + b

b = 21

then plug into the equation the slope and intercept!

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Answer:

x intercept  (15/4,0)

y intercept (0,2)

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Step-by-step explanation:

15y − 8x = 30.

To find the x intercept, set y =0

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8x = 30

Divide each side by 8 to solve for x

8x/8 = 30/8

x = 15/4

To find the y intercept, set x =0

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15y = 30

Divide each side by 15

15y/15 = 30/15

y =2

To find the slope we solve the equation for y

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Add 8x to each side

15y − 8x+8x =8x +30.

15y = 8x +30

Divide each side by 15

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y = 8/15x +2

The slope is 8/15

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3 years ago
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1 year ago
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