nyantigehrke nyantigehrke

22-02-2017
Mathematics

contestada

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

Respuesta :

wolf1728 wolf1728

22-02-2017

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

Answer Link

Otras preguntas

Ben is not such a good player as Joe. (Use: than)

write down in terms of n, an expression for the nth term of the following sequences 2,8,18,32,50,

Solve. 10 × p = 90 p = please help i will give you brainliest

Which point lies on the graph of x = -3? A. (3, 2) B. (2, 3) C. (-3, -2) D. (-2, -3)

If Mr. Odenbach is pure recessive, is it possible for the baby to have cystic fibrosis or carry the gene? Construct a punnett square to prove your answer.

What do we call extra calories that come from foods high in fats and sugars?

Can you please help me with this 20 points it is due rn 8th grade math k12

Cual es la diferencia entre una palabra femenina y masculina 3-5 oraciones

2. If a recipe that uses 12 cups of flour to make 8 cakes needs to be scaled down to make 6 cakes, how much flour will the new yield require? A-6 cups B-9 cup

theta = 5.1 reference angle