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

what is the simplest square root of 1345? no decimals please
What culture believes health is harmony between man and nature?
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
Rico is making4 batches of mexican rice. each batch needs 2/3cup of corn. He only has a1/3-cup measure.How manytimes must Rico measure 1/3cup of corn to have en
Which is the same as 0.08? A) 80% B) 80/100 C) 8% D) 0.8
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
Newtons third law of motion is also known as the law of ?