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lana [24]
3 years ago
8

What inverse operation is needed to isolate the variable in the equation?

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
7 0
The answer is b. you would subtract 1.25 from both sides which would make the equation k=11.25.

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The equation of a circle is x2 + y2 + 6x + 4y + 10 = 1. What is this equation written in its standard form?
Marrrta [24]

Option A: (x+3)^2+(y+2)^2=4 is the equation of the circle

Explanation:

The equation of the circle is x^{2} +y^2+6x+4y+10=1

We need to write the equation of the circle in standard form.

Let us subtract 10 from both sides of the equation.

Thus, we have,

x^{2} +y^2+6x+4y=-9

Grouping the terms,we have,

(x^{2} +6x)+(y^2+4y)=-9

Now, we shall complete the square, let us add and subtract the equation by 9 to write the term \left(x^{2}+6 x\right) in the form of (a+b)^2

Thus, we have,

(x^{2} +6x+9-9)+(y^2+4y)=-9

Simplifying, we get,

(x^{2} +6x+9)+(y^2+4y)=-9+9

       (x+3)^2+(y^2+4y)=0

Similarly, we shall complete the square for the term \left(y^{2}+4 y\right) in the form of (a+b)^2

Thus, we have,

(x+3)^2+(y^2+4y+4-4)=0

Simplifying, we get,

(x+3)^2+(y^2+4y+4)=4

       (x+3)^2+(y+2)^2=4

Thus, the equation of the circle in standard form is (x+3)^2+(y+2)^2=4

Hence, Option A is the correct answer.

3 0
4 years ago
I need help with part A, I’ll also give brainliest! Thank you so much!
ratelena [41]

Answer: Create a Venn diagram describing this situation because the other answers are not correct

3 0
3 years ago
jacob is playing minktute golf. he states that he cannot hit the ball from the start, bounceit off the back wall once, and reach
shutvik [7]

Answer:

Do you have a picture example?

Step-by-step explanation:

6 0
3 years ago
What is -6-(-8) I don't understand how I got in honors math
nirvana33 [79]

Answer:

-14

Step-by-step explanation:

forget the parenthesis. just think of it as -6-8, for instance on a number line, if you start on -6 and you SUBTRACT 8, then youre going left, so youd be going further into the negative numbers. you can also think of it as 6+8, which would be 14, then slapping the negative sign back on it.

8 0
3 years ago
Read 2 more answers
Which experimental design compares two groups (randomly formed) on the same task, such as movement speed
anygoal [31]

Between-group design compares two groups (randomly formed) on the same task, such as movement speed.

Given things that there are two groups that are randomly formed for the same task.

A between-group design in experimental design is an experiment in which two or more groups of individuals are assessed simultaneously by separate testing factors. This design is typically used instead of, or in conjunction with, the within-subject design, which applies identical modifications of circumstances to each participant in order to monitor the reactions.

Learn more about experimental designs at brainly.com/question/17280313

#SPJ4

3 0
2 years ago
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