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zhuklara [117]
3 years ago
15

2. Is (-3, -9) a solution of the equation y 3x?​

Mathematics
1 answer:
QveST [7]3 years ago
8 0

Answer:

if you mean y=3x, then yes

Step-by-step explanation:

solution:

substitute s by -3, we obtain

y= 3 (-3)

y= -9

So, if x= - 3 then it's y= - 9

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Graph the line with a slope of 2/5 that goes through (3,1)
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Answer:

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Step-by-step explanation:

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\bullet \ \ \text{Slope of line:}\  \dfrac{2}{5} \\\\  \bullet \ \text{Passes through:} \ (3, 1)

To determine the equation of the line, we will use point slope form.

<u>Formula of point slope form:</u>

  • → y - y₁ = m(x - x₁)

Where "x₁" and "y₁" are the coordinates of the point and "m" is the slope.

Substitute the coordinates and the slope:

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Simplify the R.H.S:

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Add 1 both sides:

:\implies y - 1 + 1 = \dfrac{2x}{5} - \dfrac{6}{5} + 1

Simplify the equation:

:\implies y = \dfrac{2x}{5} - \dfrac{6}{5} + \dfrac{5}{5}

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Graph attached**

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