toodamcool5 toodamcool5

09-03-2017
Mathematics

contestada

What is the value of b2 - 4ac for the following equation?

2x2 + 3x = -1

Respuesta :

charlottekrist charlottekrist

09-03-2017

1. Move all terms to one side
2x^2+3x+1=0

2. Find the numbers for a, b and c
a=2
b=3
c=1

3. Put the numbers into the formula
3^2-4(2)(1)

4. Simplify
9-4*2*1
9-8
1

Answer Link

Otras preguntas

Two consecutive sides or a rhombus has lengths of 3cm and 5cm true or false?

GIVEN BRAINLIESTWhich of the following transformations will make these two line segments coincide? A. Reflection across the y-axis B. Rotation of 360º about the

Homebuilders is an in-home, intensive family preservation service and reunification program for families with youth at risk for system involvement. Which of the

A psychologist asks Sahara to agree or disagree with statements such as "I'll try anything once" or "I like a great deal of variety in my workday." Sahara is co

20. The ability to meet the individual needs of the child is dramatically increased when O A. teachers and families work together as partners in meeting the nee

The drink "kykeon," which Iambe gave to Demeter, contained water mixed with barley and mint, but the barley contained traces of ergot, an essential ingredient i

(1 point) A hollow steel ball weighing 4 pounds is suspended from a spring. This stretches the spring 12 feet. The ball is started in motion from the equilibriu

Select the correct answer What are the five food groups recommended by the USDA's MyPlate Food Guidance System? A fruits, grains, oil, salt, vegetables B. fruit

According to evolutionary psychologists, our predisposition to overconsume fatty junk foods most clearly illustrates that we are biologically prepared to behave

Challenged by big questions about the origins and evolution of our species, anthropologists not only study stone tools, fossil bones, and genes, but also prehis