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

Ocean pollution has increased as people are disposing more and more waste. Explain.

In a school, 15% of students speak two languages. If 145 students speak two languages, what is the total number of students, s, in the school?

If your name is Ariana Brice pls tell me :)

Given circle U with diameter ST and radius UQ.QR is tangent to U at Q. If QS = 24 and ST 30, solve for QT. Round your answer to the nearest tenth if necessary.

NEED AN ANSWER QUICK! 15 POINTS AND WILL MARK BRAINLIEST ! You should avoid giving out your Social Security number whenever possible; however, in some circumsta

Keisha the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Friday the

What is the equation of the line shown in this graph?

Do you agree that some advertisements are misleading? Why?

a garrison of 60 soldiers had provisions for 45 days. if 15 more soldiers joined the garrison, for how long would the same provision last?

what is 1/12 of a day