3 years ago

The first three steps of completing the square to solve the quadratic equation x^2 +4x-6=0, are shown below

Mathematics

1 answer:

GarryVolchara [31]3 years ago

5 0

Answer: x=sqrt10-2, x=-sqrt10-2

Step-by-step explanation: square root both sides of the equation.

x+2=sqrt10,-sqrt10

subtract 2 from both sides of the equation

x=sqrt10-2, -sqrt10-2

You might be interested in

What is 85% of 21?<br> I need to know for school because we're doing this project.

mylen [45]

Answer:

85% of 21 is 17.85.

5 0

2 years ago

Read 2 more answers

Rani takes a 40-question test. She answers 5% of the questions incorrectly

Feliz [49]

Answer:

2 Questions.

Step-by-step explanation:

To calculate a how much a percentage is of a number, you multiply the number by the percent.

So, we have the equation:

40 x 0.05 = 2

So, Rani got 2 questions incorrect.

Hope this helps!

5 0

3 years ago

Find Malcolm’s debt-to-income ratio if his monthly expenses are $975 and his monthly salary is $1200.

hjlf

Answer: D. 0.8125

Step-by-step explanation: His expenses is $975, and his salary is $1200. Divide the expenses by the salary to find the debt-to-income ratio.

975/1200 = 0.8125

The debt-to-income ratio is 0.8125.

7 0

3 years ago

Read 2 more answers

40 was divided by a particular number then 11 was taken from the quotient. Afterwards this difference was multiplied by 5.Giving

Vika [28.1K]

Answer:

Step-by-step explanation:

3 0

3 years ago

the dimensions of a rectangle are given in terms of X as shown below the perimeter of the rectangle is 7 3/5 units. what is the

stepan [7]

Answer:

it is 8.65

Step-by-step explanation:

it just is but if it is wrong sorry been a while since i done this

4 0

3 years ago