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IRINA_888 [86]
3 years ago
12

What is the standard form equation of the line shown below?

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0
(-1,1)(1,4)
slope = (4 - 1) / (1 - (-1) = 3/(1 + 1) = 3/2

y = mx + b
slope(m) = 3/2
use either of ur points....(1,4)...x = 1 and y = 4
now sub and find b, the y int
4 = 3/2(1) + b
4 = 3/2 + b
4 - 3/2 = b
8/2 - 3/2 = b
5/2 = b

equation is y = 3/2x + 5/2...but we need it in standard form

y = 3/2x + 5/2
-3/2x + y = 5/2.....multiply both sides by -2
3x - 2y = -5 <==== ur standard form equation
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"La suma de la medida de los ángulos interiores de cualquier triángulo, es igual a dos triángulos rectos, o sea a 180°."
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-5/12-(-9/3) Reduce to simplest form
Lelechka [254]

Answer:

2 7/12

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−512−−93=?

Since the the second fraction is negative and you are subtracting, remove the negative sign and switch the operation to addition.

The equivalent equation is

−512+93=?

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(-5/12, 9/3) = 12

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

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Complete the multiplication and the equation becomes

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The two fractions now have like denominators so you can subtract the numerators.

Then:

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This fraction cannot be reduced.

The fraction

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31÷12

Convert to a mixed number using

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31/12=2 7/12

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