saldanhalemuelashnel saldanhalemuelashnel

24-08-2020
Mathematics

contestada

If (x – ½) and (x-2) are the factors of px2+5x + r, find p and r . Also find p -r .

Respuesta :

oscar236 oscar236

24-08-2020

Answer:

p = -2, r = -2 and p-r = 0.

Step-by-step explanation:

(x - 1/2)(x - 2)

= x^2 - 2x - 1/2x + 1

= x^2 - 5/2x + 1

= 2x^2 - 5x + 2

= -2x^2 + 5x - 2

Comparing this with

px^2 + 5x + r

we see that p = -2, r = -2 and p-r = 0.

Answer Link

Otras preguntas

Which of the following was NOT a characteristic of King Cyrus' rule? A. Respect for local religions and traditions B. Harsh punishments and laws C. Standardizat

What year did toba erupt

do you love shopping ?

Niko wants to put soil in his garden shown below. If soil comes in bags that fill 6 square yards each, how many bags of soil should Niko buy? Hint: you may have

Chac Mool Inferir Luego de adquirir la estatua, Filiberto decide reorganizar su cuarto de trofeos para colocarla allí. ¿Qué crees que simboliza esto? Enfoque e

Megan and Suzanne each have a plant. They track the growth of their plants for four weeks. Whose plant grew at a faster rate, and what was the rate? Suzanne’s a

Find y' for the following.

Write a couple sentences about how you got your drivers license and how it felt for you. (5 sentences will do) 25 POINTS PLSSS ANSWERR FAST

i don't understand this, can someone help please??

Discuss a situation where a better understanding of cultural differences would or could have led to a better understanding. Explain the situation and what could