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2 years ago

Find the equation of the line. Use exact numbers.

Mathematics

1 answer:

luda_lava [24]2 years ago

4 0

Answer:

y = -2x + 5

Step-by-step explanation:

Looking at the line, every time it moves one unit to the right, it goes down two units. Therefore, the slope is -2. Since the y-intercept is 5, the equation of this line is y = -2x+5.

I hope this helped!

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3 years ago

The triangles are similar, find y

Luda [366]

Answer:

y = 3.6

x = 3.5

Step-by-step explanation:

The triangles are similar.

$\frac{3}{2.4} = \frac{x}{2.8} = \frac{4.5}{y}$

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$\frac{4.5}{y} = \frac{5}{4}$

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3 years ago

Write the line equation for the line passing through the points (8, 3) and (12, -1).

Aneli [31]

Answer:

Line equation is y=-x+11

The product of the slope and the y-intercept is -11

Step-by-step explanation:

Use the slope formula to find the slope of the equation.

yvalue2 minus yvalue1 /xvalue 2 minus xvalue1

-1-3/12-8=-1

The slope is -1.

Now, use the slope-intercept formula to find the y-intercept

y-3=-1(x-8)

y-3=-x+8

y=11

The equation is y=-x+11

The product of the slope and the y-intercept is -1(11)=-11

Hope this helps.

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3 years ago