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3 years ago

use the vertical line test to determine if the relation (-6,-2), (-2,6), (0,3), (3,5) is a function. Explain your response.

1 answer:

6 0

Graph the points and connect them and draw vertical lines in between them. You can already tell it's a function because every input has exactly on output.

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Solve the following simultaneous equations: 1. a) x-y=-5 and x + y = -1

Sonbull [250]

Answer:

x = -3, y = 2

Step-by-step explanation:

x - y = -5

x = -5 + y

Let's put this into the other equation

(-5 + y) + y = -1

-5 + 2y = -1

2y = 4

y = 2

Now we can solve for x by plugging y into either equation

x + (2) = -1

x = -3

8 0

2 years ago

Read 2 more answers

Can the polynomial equation have exactly 1 real solution, including any repeated solutions? (Use the Fundamental Theorem of Alge

Kryger [21]

yes, there are infinitety many polynomial that have exactly one real root just like your example, to determine the real root first let the real root is a, and the complex roots are b±ic the polynomial satisfy

-9x³ + 19x² + 17 = -(x - a)(x - b - ic)(x - b + ic)

9x³ - 19x² - 17 = (x - a)(x - b - ic)(x - b + ic)

5 0

3 years ago

Find the value of x?

Kay [80]

I believe your answer is 145

3 0

3 years ago

Which expression is equivalent to 15 plus 3 x?

Dmitrij [34]

Answer:

3(5+x)

Step-by-step explanation:

Another expression that can equal 15+3x is 3(5+x)

<u>Use Distributive Property:</u>

3(5+x)

=15 + 3x.

I wish you the best of luck, and hopefully this is an option on your homework!

3 0

2 years ago

I need help determining how many roots

statuscvo [17]

By graphing the polynomial, we conclude that there is only one real root, so the correct option is A.

<h3>How many roots has the given polynomial?</h3>

We have the polynomial:

$y = -3x^2 + 12x - 12$

To see how many real roots this polynomial has, we can graph it and see how many times the graph intercepts the x-axis.

The graph can be seen below:

There we can see that there is only one intercept, so there is only one real root.

So the correct option is A.

If you want to learn more about polynomials:

brainly.com/question/4142886

#SPJ1

4 0

2 years ago