bonnyanidreb bonnyanidreb
  • 01-06-2015
  • Mathematics
contestada

h(x)=2x²+x-10
2x²+x-10=0

Respuesta :

AyaZ
AyaZ AyaZ
  • 01-06-2015
[tex]2 x^{2} +x-10=0 \\ \\ (2x+5)(x-2)=0 \\ \\ x_{1} =- \frac{5}{2} \\ x_{2} =2[/tex]
Answer Link
hunaifirst hunaifirst
  • 01-06-2015
h(x)=2x2+x-10

2x²+x-10=0

(2x+5)(x-2)

x=-5/2
x=2


1)

h(x)=2x²+x-10
h(-5/2)= 2(-25/4)+[-5/2]-10
h(-5/2)=-25




2).

h(x)=2x²+x-10
h(2)=2(2)²+2-10
h(2)=8+(-8)
h(2)=0
Answer Link

Otras preguntas

Mention two successful (prominent) entrepreneurs. In South Africa. And discuss their role. In our society (8)
What is 32% more than 75% of 102?
Many Romantic poets regard nature as a means of gaining new insights into life. a. True b. False
what you get when you multiply and objects mass times the acceleration
montrer que f(x)=(2x-13)(2x-7) pour tout réel x
What is the ratio of 22/80
Which of these choices is NOT a cultural influence on our wellness? A. Attitude B. Behavior C. Hereditary diseases D. Media
what is the answer for this
You cut 63 feet of rope into 9 equal pieces how long is each equal piece of rope
Diameter of a flour tortilla is 12 inches, what is the area?