becky300 becky300

15-08-2022
Mathematics

contestada

When 2x^2-20x+39=9 is written in the form (x-p)^2 =q, what is the value of q?

A) 10
B) 9
C) 5
D) -30

Respuesta :

Medunno13 Medunno13

17-08-2022

[tex]2x^2 - 20x+39=9 \\ \\ 2x^2 - 20x=-30 \\ \\ x^2 -10x=-15 \\ \\ x^2 - 10x+25=10 \\ \\ (x-5)^2 = 10 \\ \\ \implies \boxed{q=10}[/tex]

Answer Link

Otras preguntas

rachel told mariana that if she rolls two number cubes 100 times she will never get a product of 23 mariana toldbher that she cant be sure. whos right? explain

The product of two consecutive odd integers is 77 more than twice the larger integer.find the integers.

Okay Here Is The Question Its 3 Parts:How Far Is The Sun From Earth?There Are 3 Feet In A Yard. How Many Yards Is The Sun From The Earth? Explain How.There Are

On a map what do black dots usually represent?

rachel told mariana that if she rolls two number cubes 100 times she will never get a product of 23 mariana toldbher that she cant be sure. whos right? explain

a single molecule has at least how many atoms

what interaction between American Indians and European colonists was most important.? why?

a fossil form when an organism buried in sediment dissolves leaving a hollow area

compare the air pressure at the peak of Mt. Everest to the air pressure at sea level.

a fossil form when an organism buried in sediment dissolves leaving a hollow area