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

Ana walked 2 1/2 miles on the Freedom Trail. She walked 5/8 mile from Boston Common to the Paul Revere House. Then, she walked 3/8 mile from the Paul Revere
TRUE OR FALSE: a person who practices delayed gratification is taking a step toward improving his or her health
PLEASE HELP ASAP! Please explain
Unscramble : sthioneypern
Which sequence below correctly illustrates the order in which proteins are synthesized? RNA-->DNA-->Protein DNA--> RNA --> Protein Protein --> D
how do you simplify then factor the expression 12p - 8 + 6p + 14
Change the verb in this sentence to the present progressive: Tú nadas. Tú nadando. Tú estás nadas. Tú estás nadando. Tú estás nadar.
MAKE SURE IT IS 100% CORRECT what is the value of x? enter your answer in the box x=
Which pair of angles are vertical angles? ∠KRC and ∠CRH ∠MRC and ∠KRM ∠KRE and ∠ERT ∠ERT and ∠MRC
what 2 other major religions do muslim consider people of the book?