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otez555 [7]
3 years ago
5

❗️❗️❗️❗️PLEASE HELP MEEE❗️❗️❗️❗️

Mathematics
1 answer:
koban [17]3 years ago
8 0
For this case we have the following inequality:
 - \frac{1}{2}x \ \textgreater \  6
 We multiply both sides of the equation by -1.
 By doing this, change the symbol of the inequality.
 We have then:
 \frac{1}{2}x\ \textless \ -6
 From here, we clear the value of x.
 We have then:
 x \ \textless \ (2) (- 6)

 x \ \textless \ -12
 
 Answer:
 The solution set is:
 
{x | x R, x < -12} 
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Hope this helps!

6 0
3 years ago
Graph the line y = kx +1 if it is known that the point M belongs to it: M(1,3)
tigry1 [53]

Answer:

M(x,y) = (1,3) belongs to the line y = 2\cdot x +1. Please see attachment below to know the graph of the line.

Step-by-step explanation:

From Analytical Geometry we know that a line is represented by this formula:

y=k\cdot x + b

Where:

x - Independent variable, dimensionless.

y - Dependent variable, dimensionless.

k - Slope, dimensionless.

b - y-Intercept, dimensionless.

If we know that b = 1, x = 1 and y = 3, then we clear slope and solve the resulting expression:

k = \frac{y-b}{x}

k = \frac{3-1}{1}

k = 2

Then, we conclude that point M(x,y) = (1,3) belongs to the line y = 2\cdot x +1, whose graph is presented below.

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