Duel
Duel Duel
  • 07-06-2018
  • Mathematics
contestada

What is the solution set of 4x 2 - 36 = 0?

A.{-3}
B.{3}
C.{-3, 3}

Respuesta :

NavoNerd NavoNerd
  • 07-06-2018
4x^2 - 36 = 0
4x^2 = 36
x^2 = 9
x = 3 or -3
the answer is C
Answer Link
sqdancefan
sqdancefan sqdancefan
  • 07-06-2018
It is short work to check the answer choices.
  4*3² -36 = 0 . . . . yes, so +3 is a solution
  4*(-3)² -36 = 0 . . . . yes, so -3 is a solution

The appropriate choice is ...
  C. {-3, 3}
Answer Link

Otras preguntas

find the zeros of f(x)=x squared-x
Use Newton's second law to determine how much force is being applied to an object that is travelling at a constant velocity.
Write 99 as a product of prime factors.
Multiply. Express your answer as a simple fraction or improper fraction. 5 times 2 over 3 equals s
Why are the mongols important in regards to Europe?
Jesse takes his dog and cat for their annual vet visit. Jesse's dog weighs 23 pounds. The vet tells him his cats weight is 5/8 as his dogs weight. How much does
which expression is equivalent to d+d+d+d+d?
Alexandra buys sweatshirts for $12 each. In her store, she sells each sweatshirt for $30. Part A As part of a promotion, Alexandra discounts the college sweatsh
what visible evidence indicates that a solution is saturated?
five eighths of a pound is how many ounces?