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3 years ago

The equation -x = y + 7 written in slope-intercept form is

2 answers:

8 0

I think that it's B, y = -x - 7 because first you'd subtract y to get it on the other side then add x and then you'd need to make the y positive so you would divide x + 7 by -1 and that would make it y = -x - 7.

Marianna [84]3 years ago

7 0

Answer:

Step-by-step explanation:

Start with -x = y + 7. Subtract 7 from both sides. Then y = -1x - 7. This is the equation in slope-intercept form.

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Write a polynomial function that meets the given conditions. Answers may vary. Degree 2 polynomial with zeros of 2√ 13 and -2√13

MAVERICK [17]

Answer:

The polynomial function is $x^{2} - 52$

Step-by-step explanation:

A polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ .

In this problem:

The roots are $x_{1} = 2\sqrt{13}$ and $x_{2} = -2\sqrt{13}$

Then

$(x - 2\sqrt{13}) \times (x - (-2\sqrt{13})) = (x - 2\sqrt{13}) \times (x + 2\sqrt{13}) = x^{2} - 2x\sqrt{13} + 2x\sqrt{13} -(2\sqrt{13})^{2} = x^{2} - 52$

The polynomial function is $x^{2} - 52$

8 0

2 years ago

Five more than twice a number is -13 into a two step equation

Sav [38]

Answer:

2n + 5

Step-by-step explanation:

You are adding 5 to the multiplication of 2 and a number.

5 0

3 years ago

To conduct a survey on current social work majors, a researcher gets a list of all students who have declared a social work majo

Ede4ka [16]

The list is known as the sampling frame.

To conduct a survey on current social work majors, a researcher gets a list of all students who have declared a social work major from the registrar from which a sample will be drawn.

This list is known as a sampling frame.

The sampling frame is the list from which units are drawn for the sample.

Hence, the list is known as the sampling frame.

Learn more about samples here brainly.com/question/6186073

#SPJ4

3 0

1 year ago

The explicit formula for the geometric sequence 10,30,90,180

alukav5142 [94]

Answer:

$a_{n}$ = 10 $(3)^{n-1}$

Step-by-step explanation:

The n th term of a geometric sequence is

$a_{n}$ = a $(r)^{n-1}$

where a is the first term and r the common ratio

Here a = 10 and r = 30 ÷ 10 = 3, thus

$a_{n}$ = 10 $(3)^{n-1}$

7 0

2 years ago

Read 2 more answers

Solve the system of equations 2x-y=132x−y=13 and 6x+5y=-336x+5y=−33 by combining the equations.

andreyandreev [35.5K]

Answer: (2;-9).

Step-by-step explanation:

$\left \{ {{2x-y=13\ |*(-3)} \atop {6x+5y=-33}} \right. \ \ \ \ \left \{ {{-6x+3y=-39} \atop {6x+5y=-33}} \right. .\\Summing\ up\ these\ equations:\\8y=-72\ |:8\\y=-9.\\2x-(-9)=13\\2x+9=13\\2x=4\ |:2\\x=2.$

5 0

2 years ago