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Stells [14]
3 years ago
15

Which equation represents a proportional relationship between x and y values

Mathematics
1 answer:
Troyanec [42]3 years ago
4 0
Remember this! The equation that represents a proportional relationship, or a line, is y=kx, where k is the constant of proportionality.
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The first three steps in determining the solution set of the system of equations algebraically are shown.
Ivenika [448]

(2,-1), (-4,17).

Step-by-step explanation:

Equate the equation A and equation B

Convert the quadratic equation in factored form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Complete the square. Remember to balance the equation by adding the same constants to each side.

Rewrite as perfect squares

Square root both sides

Find the values of y

Substitute the value of x in the equation B

3 0
2 years ago
What are the coefficients in the polynomial 4x2 + 3x-3?
Ksenya-84 [330]

                   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

\diamond\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}

        What are the coefficients in the polynomial 4x²+3x-3?

\diamond\large\blue\textsf{\textbf{\underline{\underline{Answer and How to solve:-}}}}\diamond

<u>Coefficient:-</u>  A number before a variable

<u>Coefficients in this polynomial:-</u>

4 (the number before x²) and 3 (the number before x)

<h3 />

So we conclude that the right option is:-

\bigcirc\!\!\!\!\!\large\checkmark 4, 3 (Option B)

<h3>Good luck.</h3>

            - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

4 0
2 years ago
2) Which expression is equivalent to:<br> y•y3•y2
Nastasia [14]

Answer:

y^6

Step-by-step explanation:

When multiplying terms with exponents that have the same base, the rule is to add the exponents. y * y^3 * y^2 = y^(1 + 3 + 2). (remember that y has a hidden exponent of 1, we just don't write that because it is redundant and unnecessary). y^(1 + 3 + 2) = y^6

hope this helps! <3

3 0
1 year ago
(2×4)×7=2×(7×4) what property does this demonstrate
notka56 [123]
Well,

As we can see, the only difference is that the parentheses have moved.

This is an example of the associative property.  It is specifically of multiplication, because products are used in this case.

Just as a test, let's see whether they are really equal.

Following PEMDAS, we get:
(2*4)7 = 2(7*4)
(8)7 = 2(28)
56 = 56

They are equivalent.
8 0
3 years ago
Read 2 more answers
Math question down below
tensa zangetsu [6.8K]
The mean is the average.
To solve for the average we add all the numbers up and divide by how many numbers there are.
21, 23, 25, 25, 26, 28, 28, 28, 31, 33.
268 total, now divide by how many numbers there are.
268/10
Your mean is 26.8
8 0
3 years ago
Read 2 more answers
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