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2 years ago

The equation of the graphed line is x+2y=5. What is the x-intercept of the graph?

Mathematics

1 answer:

Nady [450]2 years ago

3 0

Answer:

x = (5,0)

Step-by-step explanation:

To find the x-intercept, substitute y with 0 and solve for x.

x + 2(0) = 5

Then, simplify.

Multiply 2 by 0.

x + 0 = 5

Add x and 0.

x = 5

So, the result will be x = (5,0)

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3 years ago

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3 years ago

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3 years ago

What is the equation for a line passing through (-2,3) and perpendicular to y= -1/2+1 ?

nata0808 [166]

Answer:

$y=2x+7$

Step-by-step explanation:

The correct question is

what is the equation for a line passing through (-2,3) and perpendicular to y= -1/2x+1 ?

Remember

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes are equal to -1)

The slope of the given line is m=-1/2

the opposite reciprocal is m=2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=2\\point\ (-2,3)$

substitute

$y-3=2(x+2)$

Convert to slope intercept form

$y=mx+b$

isolate the variable y

$y-3=2x+4$

$y=2x+4+3$

$y=2x+7$

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2 years ago

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sergeinik [125]

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2 years ago

Read 2 more answers