Describe the graph of of the equation x = -2. Is the equation a function?

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

In the event that a line has no y-intercept, that implies it never converges the y-intercept, so it must be parallel to the y-intercept. This implies it is a vertical line, for example, . This slant of this line is vague. In the event that the line has no x-intercept, at that point it never meets the x-intercept, so it must be parallel to the x-pivot.

If x-intercept is -2 the line would be vertical as the y-intercept = 0.

Margarita [4]3 years ago

4 0

Answer:

<h2>A. vertical line: yes.</h2>

Step-by-step explanation:

When we have an equation with only one variable, that means it represents a vertical or horizontal line.

When the equation has the form $x=k$ , where $k$ is a real number, then it represents a vertical line, because its value is horizontally fixed.

Now, in this case we have the equation

$x=-2$

As we said before, this equation represents a vertical line which passes through $x=-2$ .

Therefore, the right answer is A. vertical line: yes.

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3 years ago

Jace is a songwriter who collects royalties in his songs whenever they are played in a commercial or a movie. Jace will earn $50

VashaNatasha [74]

Jace's song were played on 8 commercials and 2 movies

<h3>Further explanation</h3>

Simultaneous Linear Equations could be solved by using several methods such as :

<em>Elimination Method</em>
<em>Substitution Method</em>
<em>Graph Method</em>

If we have two linear equations with 2 variables x and y , then we need to find the value of x and y that satisfying the two equations simultaneously.

Let us tackle the problem!

<em>Number of Commercials = C</em>

<em>Number of Movies = M</em>

$\texttt{ }$

<em>Jaces songs were played on 6 more commercials than movies.</em>

$\boxed{C = 6 + M}$ → <em>Equation 1</em>

$\texttt{ }$

<em>Jace will earn $50 every time one of his songs is played in a commercial and he will earn $140 every time one of his songs is played in a movie.</em>

<em>His total earnings in the royalties from all commercials and movies was $680.</em>

$\boxed{50C + 140M = 680}$ → <em>Equation 2</em>