sydandrileyp8usqq
sydandrileyp8usqq sydandrileyp8usqq
  • 21-05-2018
  • Mathematics
contestada

one solution of x^2-64=0 is 8. what is the other solution?

Respuesta :

ktreyb
ktreyb ktreyb
  • 21-05-2018
x² - 64 = 0
(x - 8)(x + 8) = 0

x = - 8, 8

Your other solution is - 8
Answer Link
KingTrevon
KingTrevon KingTrevon
  • 21-05-2018
Step 1: Add 64 to both sides.
x2
−64
+64
=0+64

x2
=64

Step 2: Take square root.
x=±√64

x=8 or x
=−8

Answer:x=8 or x=−8

Hope this helps :D
Answer Link

Otras preguntas

Simplify. Assume that letters represent any real number.[tex] \sqrt[5]{x^5} [/tex]Rewrite without rational exponents, and simplify, if possible.[tex] 32^{3/5} [
What is kirchoff s law???
What is the equation of a parabola with vertex (0,0) and focus (0,4)? Draw its graph on the grid
In a triangle, the sides measure 3,5, and 7 what is the measure, in degrees of the largest angle?
x+y=10 , x+z=20 , y+z=24, x+y+z=??? and why??
A 170 g hockey puck sliding at 25 m/s slows to a speed of 10 m/s in a distance of 7.5 m.  Determine the force of friction causing the puck to slow.
what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 48 degrees?
103 is 20% of what number
Find the roots of the equation by completing the square: 3x^2-6x-2=0. Prove your answer by solving by the quadratic formula.
Find the domain and range of this function f(x)=1/squareroot of (x-4)