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

A girl is standing on a trampoline. Her mass is 65 kg and she is able to jump 3 m. What is the spring constant for the trampoline? (logger pro?)

A rectangular prism has a base that is 5cm by 7cm and a height of 12cm if all dimensions are doubled what happens to the volume?

Please help me do question 21, 22 and 23. I am in 6th grade.

A train 400 m long is moving on a straight track with a speed of 81.4 km/h. The engineer applies the brakes at a crossing, and later the last car passes the cro

A white tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute. Which animal is faster and by ho

What is the area of parallelogram ABDC O12 cm O15 cm O20 cm O24 cm

What is a mixed economy? exactly the same as a centrally planned economy the exact opposite of a free enterprise system a market-based economic system based on

What is the mean of 3 8 10 19

Explain the steps involved in the contraction of a skeletal muscle fiber.

The boiling point of chlorine is −34 °C. Which of the following best predicts the boiling point of iodine? a) Higher than −34 °C because dispersion forces are s