mariel528639 mariel528639

01-04-2017
Mathematics

contestada

What is the discriminant of the equation x^2+11x-10=0

Respuesta :

charlottekrist charlottekrist

01-04-2017

The discriminant is b^2-4ac
ax^2+bx+c=0
x^2+11x-10=0

11^2-4(1)(-10)
1. Simplify 11^2 to 121
121-4(1)(-10)

2. Simplify 4*1*-10 to -40
121-(-40)

3. Simplify brackets
121+40

4. Simplify
161
Your discriminant is 161

Answer Link

Otras preguntas

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. $4.50 : $2.50

The size of a bicycle is determined by the diameter of the wheel. you want a 24-in bicycle for christmas. what is the circumference of one of the wheels?

La maison es un mercado al aire libre. cierto falso la maison vende ropa muy elegante y nueva. cierto falso guido asenjo puebla dise?a (designs) ropa y también

In the picture above what do the hair like structures called cilia allowed the paramecium to do?

Why is a catalyst shown above the arrow between the reactants and the products

F(n+1) = f(n) -2n if f(1) =18 what is f(5)

What is 3 to the power of 3 over 2

A chemist requires 0.450 mol na2co3 for a reaction. how many grams does this correspond to?

Fill in the blank with the correct preterite form of the verb in parentheses. Los padres les (dar) su tarjeta de crédito a sus hijos

A cone has a height of 24 inches, a slant height of 25 inches, and a diameter of 14 inches. What is the surface area of the cone?