khaylanibaby74
khaylanibaby74 khaylanibaby74
  • 18-03-2021
  • Mathematics
contestada

What are the solutions to the equation y^2-1 = 80?

Respuesta :

Аноним Аноним
  • 18-03-2021

Answer:

y^2-1=80

y^2=81

y = positive and negative 9

Answer Link
acloquemawuina34
acloquemawuina34 acloquemawuina34
  • 18-03-2021

y2−1=80

Step 1: Add 1 to both sides.

y2−1+1=80+1

y2=81

Step 2: Take square root.

y=±√81

y=9 or y=−9

Answer:

y=9 or y=−9

Answer Link

Otras preguntas

Which color of light has a wavelength of 5.0 × 10^–7 meter in air? (1) blue (3) orange (2) green (4) violet
What single event set in motion the start of World War I?
How did Putin deal with Chechnya?
Which unit rate is equivalent to 13 miles per gallon? twenty-six miles over two gallons : two gallons over twenty-six miles thirty-nine miles over four gallons
Which additional detail is most relevant to the passage? a mention of the year in which Benjamin Franklin was born a description of the requirements of a clergy
Define and give an example of each: one party system, two party system, multipary system.
What steps did Kemal take to modernize Turkey?
Two friends, Bob and Ben, each buy one lottery ticket. Each ticket contains six numbers from a total of one hundred numbers (0–99). Bob chooses the numbers 1, 2
One way that entities can cooperate with counterterrorism policies is by
who was the crusades between and what did they feel towards each other?