3 years ago

What two number multiplied equal 12 but also added together equal -7

1 answer:

7 0

A) x * y = 12
B) x + y = -7
A) x = 12 / y
Substitute this into B
B) 12/y + y = -7
multiplying both sides by "y"
12 + y^2 = -7y
y^2 + 7y + 12 = 0
y = -4
and from equation B we calculate x as -3

You might be interested in

Find the equation of the line that contains the given point and with the given slope. Write the equation in slope-intercept form

kumpel [21]

$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the straight lines.

y-y1 = m(x-x1) + C

====> y - 1 = 3(x - 2)

====> y-1 = 3x -6

====> y = 3x - 5

hence the equation is y = 3x - 5

4 0

3 years ago

the area of a square is A = s^2, where s is the length of one side of the square. what is the side length s for each square ? th

vlada-n [284]

Answer:

Step-by-step explanation:

324 = s^2 -->

sqrt324 = s -->

sqrt(2^2 * 9^2) = s -->

2*9 = s -->

18 = s

5 0

3 years ago

Please answer this :))))

Anton [14]

Answer:

Answer is E hope this helps :)

Step-by-step explanation:

8 0

3 years ago

What is a rational number

Murrr4er [49]

Answer:

Rational numbers are numbers that can be written as fractions, unlike π, which never ends and cannot be expressed as a fraction.

I am joyous to assist you anytime.

8 0

4 years ago

The temperature dropped two degrees Fahrenheit ever hour for the last six hours. What is the total change in the temperature? Wr

vredina [299]

Expression: 6 × -2

Solution: -12 degrees Fahrenheit

6 0

4 years ago