angel12322 angel12322

01-10-2017
Mathematics

contestada

if (2x-3) and (x+5) are multiplied to form the trinomial ax^2 +bx+c, what is the value of b

Respuesta :

texaschic101 texaschic101

01-10-2017

(x + 5)(2x - 3) =
x(2x - 3) + 5(2x - 3) =
2x^2 - 3x + 10x - 15 =
2x^2 + 7x - 15........so b = 7 <==

Answer Link

Аноним Аноним

01-10-2017

b will be -3 + 2*5 = 7

Answer Link

Otras preguntas

When we speak of the flavor of a word, we're talking about the extra understood meanings that it carries in addition to its main meaning. These extra meanings a

how did the addition of a bill of rights solve these differences

Which of the following events would most likely cause an increase in Indian nationalism?

Which one of the following interspecies relationships has a negative effect on the abundance of both species? A. Commensalism B. Parasitism C. Predation D. Comp

The chain of events in a story is known as the __________.

Who benefited the most from the first global economic system? Who lost the most?

Describe a situation when you might travel at a high velocity but a low acceleration

Which is the word that best completes the sentence. Me gusta _____ en una discoteca. dibujar bailar montar a caballo coser

When dividing 878 by 31, a student finds a quotient of 28 with a remainder of 11. Check the students work, and use the check to find the error in the

Use multiplication to find three ratios equivalent to 8:12