eeveealbarn eeveealbarn

27-09-2019
Mathematics

contestada

(Apex! Help!) Find the solution(s) to 7x^2-42x=0
A. x=6
B. x=-7
C. x=7
D. x=0
E. x=-6

Respuesta :

27-09-2019

Answer:

A. x = 6, D. x = 0

Step-by-step explanation:

[tex]7x^2-42x=0\qquad\text{distribute}\\\\7x(x-6)=0\iff7x=0\ \vee\ x-6=0\\\\7x=0\qquad\text{divide both sides by 7}\\\boxed{x=0}\\\\x-6=0\qquad\text{add 6 to both sides}\\\boxed{x=6}[/tex]

Answer Link

Otras preguntas

0.96 times 7.1 what is the awnser

What is the x intercept of the line 3x+2y-10=0

How do Islamic terrorists justify their violent actions? They believe they have "just cause." They demonstrate the evils of Western culture. They don't justify

How does John Steinbeck's "The Chrysanthemums" begin?

Select all that apply. Forms of speaking include: entertaining informative research persuasive

Compose a six to eight sentence paragraph in English comparing how France and the U.S. have been influenced by immigrants. Think about food, music, art, etc.

How do you do this question? Please help

Difference of bond bill and notes

If (5⁴)m = 5 ¹²,what is the value of m 2 3 5 8

Which will result in positive buoyancy and cause the object to float? Question 1 options: When the buoyant force is equal to the force of gravity When the force