mayzapro mayzapro

21-04-2020
Mathematics

contestada

Rewrite the equation by completing the square 4x^2 +28x +49=0

Respuesta :

QueenLeilani38 QueenLeilani38

21-04-2020

Answer: −3.5

Step-by-step explanation:

Standard form:

4x2 + 28x + 49 = 0

Factorization:

(2x + 7)2 = 0

Answer equation: 2x + 7 = 0 ⇒ x1 = x2 = −7 over 2 = −3.5

Answer Link

Otras preguntas

NEED HELP NOW!!!!!! Which aspect of Virginia Woolf’s background reveals her purpose in writing A Room of One’s Own? She suffered from mental illness. She commi

In the lesson, you learned how a nerve impulse transmits through a neuron and into muscle tissue. Using this knowledge, can you explain why dehydration caused J

Helpppppppppp please somebody

What is the value of x? x =

i need some help please

Explain how the liberty of blacks gave way to legal segregation across the south after 1877. (i.e. the grandfather clause; literacy and understanding tests; pol

The ________ nervous system is responsible for responses such as pupil dilation, increased heart rate, and increased respiration. autonomic parasympathetic soma

Which of the following is equivalent to the fifth root of thirteen cubed? 13^2 13^15 13^5/3 13^3/5

Read the passage, Then answer the question Based on the passage, locate a possible theme from "The Chrysanthemums." A. Difficult times call for difficult measur

In a discussion of the language of the war, one of the soldiers remarks, "I don't know why they calling it friendly fire if it kills you." What is he pointing