ceannaloves1d ceannaloves1d

02-05-2017
Mathematics

contestada

What are the x-intercepts of the quadratic function? F (x)=x^2-3x-10

Respuesta :

ghanami ghanami

07-05-2017

hello :
hello :
f(x) = x²-3x-10
the x-intercepts solutions f(x) = 0
Δ =b²-4ac a =1 b = -3 c = -10
Δ =(-3)²-4(1)(-10) =49 = 7²
x1 = (3-7)/2 x2 = (3+7)/2
the x-intercepts : 5 , -2

Answer Link

Otras preguntas

Your friend tells you they think it would be cool to have band practice on the moon. Is it possible to hear the band play on the moon?

The stage of plot that comes directly after exposition is called

PLEASE HELPIf AD is median in triangle ABC and BD=24, then CD is: 24. 12. 6. None of the choices are correct.

i think the answer is D ...

During a recent fiscal year, creek company reported pretax income of $117,000, a contribution margin ratio of 20% and total contribution margin of $320,000. tot

What answer explains the meaning of " no taxation without representation "

A company that creates model cars uses a 1.5 foot : 1 inch ration when creating the models. If a real car is 12 feet long, how long will the model car be?

In a group of 60 students, 12 students take Algebra I, 18 students take Algebra II, and 8 students take both subjects. How many students don't take either of th

The balanced equation for the reaction occurring when iron(iii) oxide, a solid, is reduced with pure carbon to produce carbon dioxide and molten iron is

plzzz help What is the distance between P(-3, -2) and Q(5, -2)?