Mathematics: How do you write a linear function????????????? For those 2 problems?? (attached)

How do you write a linear function?????????????

Ответ:

sairaanwar67

21.01.2022

Mathematics

(9) The linear function is $y=\frac{1}{3}x+3$

(10) The linear function is y=0x-7

Explanation:

(9) The coordinates from the graph are (-6,1), (-3,2), (0,3) and (3,4)

Linear function:

The linear function can be determined using the formula,

y=mx+b

The y - intercept of the line is the value of y when x = 0.

Thus, from the graph, we have, b=3

Let us substitute the points (-6,1), (-3,2) in the slope formula,

$m=\frac{2-1}{-3+6}=\frac{1}{3}$

Thus, the slope is $m=\frac{1}{3}$

Substituting the value $m=\frac{1}{3}$ and b=3 in the formula y=mx+b , we get,

$y=\frac{1}{3}x+3$

Thus, the linear function of the equation is $y=\frac{1}{3}x+3$

(10) Linear function:

The linear function can be determined using the formula,

y=mx+b

The y - intercept of the line is the value of y when x = 0.

Thus, from the graph, we have, b=-7

Let us substitute the points (-2,7) and (2,-7) in the slope formula,

$m=\frac{-7+7}{2+2}=\frac{0}{4}=0$

Thus, the slope is m=0

Substituting the values m=0 and b=-7 in the formula, we get,

y=0x-7

Thus, the linear function of the equation is y=0x-7

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Ответ:

tyryceschnitker

23.11.2021

Mathematics

x=11

Step-by-step explanation:

the question would be to find x

3x + 28 + 5x + 52 + 2x - 10=180 (sum of angles in a triangle is equal to 180⁰)

10x + 70=180

10x=180-70

10x=110

x=110/10

x=11

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How do you write a linear function????????????? For those 2 problems?? (attached)

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