Question
Solve the equation
Solve for y
y1=−2,y2=2
Alternative Form
y1≈−1.414214,y2≈1.414214
Evaluate
y2×y2=4
Multiply the terms
More Steps
Evaluate
y2×y2
Use the product rule an×am=an+m to simplify the expression
y2+2
Add the numbers
y4
y4=4
Take the root of both sides of the equation and remember to use both positive and negative roots
y=±44
Simplify the expression
More Steps
Evaluate
44
Write the number in exponential form with the base of 2
422
Reduce the index of the radical and exponent with 2
2
y=±2
Separate the equation into 2 possible cases
y=2y=−2
Solution
y1=−2,y2=2
Alternative Form
y1≈−1.414214,y2≈1.414214
Show Solution