rissagoodwin rissagoodwin

25-11-2017
Mathematics

contestada

Solve for x 4x^2+28x+49=0

Respuesta :

zrh2sfo zrh2sfo

25-11-2017

4 x^2 + 28 x + 49 = 0
Divide both sides by 4:
x^2 + 7 x + 49/4 = 0
Write the left hand side as a square:
(x + 7/2)^2 = 0
Take the square root of both sides:
x + 7/2 = 0
Subtract 7/2 from both sides:
Answer: x = -7/2

Answer Link

Otras preguntas

A screw has 4 threads per centimeter and a circumference of 2 centimeters. The mechanical advantage of the screw is?

1. How did scientists discover that all living things are made of cells? 2. How did Pasteur’s experiment with the flasks help disprove the idea that living thin

Cohabiting couples experience more violence than married couples do. this is a _________ influence on violence

The set of skills and knowledge needed to make informed decisions about money matters is called

Which of these statements about “fair trade” is true

An element's atomic number is 40. How many electrons would an atom of this element have? An atom of element A has 111 protons. What would the element's atomic

Title: The Apollo 13 Mission Introduction Historical importance Body The events of the flight an electrical explosion and fire crew exposed to near-freezing tem

3 over eight people ride the bus in Mrs. Mulls class. If she has 24 students how many students ride the bus?

I have benchmarks tomorrow please help worth 15 points

Illustrate which leader is most closely associated with the accomplishments shown by the illustration