#3-1: Solving Equations with Square/Cube Roots

Front

Solve x² = 4

Back

x = 2, -2

Front

Solve x² = 121

Back

x = 11, -11

Front

Solve x² = 9

Back

x = 3, -3

Front

Solve x² = 16

Back

x = 4, -4

Front

What number, n, cubed is equal to -216? (n³ = -216)

Back

n = -6

Front

What is the square root of a number?

Back

The square root of a number x is a value y such that y² = x.

Front

What is the cube root of a number?

Back

The cube root of a number x is a value y such that y³ = x.

Front

If x² = a, what are the possible values of x?

Back

x = ±√a

Front

If n³ = b, what are the possible values of n?

Back

n = ∛b

Front

What is the principal square root?

Back

The principal square root of a non-negative number is the non-negative value that, when squared, gives the original number.