Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
a1=−2,a2=2
Alternative Form
a1≈−1.414214,a2≈1.414214
Evaluate
2a4=8
Divide both sides
22a4=28
Divide the numbers
a4=28
Divide the numbers
More Steps
Evaluate
28
Reduce the numbers
14
Calculate
4
a4=4
Take the root of both sides of the equation and remember to use both positive and negative roots
a=±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
a=±2
Separate the equation into 2 possible cases
a=2a=−2
Solution
a1=−2,a2=2
Alternative Form
a1≈−1.414214,a2≈1.414214
Show Solution
Graph
