Solve Square Root Equations, Scientific Notation

Express the following in standard form.

• 845

• 8,450,000

• x = 49
• x = 53
• x = 45
• x = 18

• x = 5
• x = 10
• x = -9
• x = -5

Solve.

• no solution

• 6

• 3

• 4

Write an equation for this phrase, "The square root of x is equal to 3."

• x² = 3

• x² = 9

• √x = 3

• √x = 9

What does this symbol represent?

• square root

• divide by 2

• cube root

• greater than or less than

This symbol means ...

• to square a number

• to find the square root of a number

• find the distance X is from zero on the number line

• to divide and conquer

• x = 2
• x = 4
• x = 7
• x = 9

Solve

• -5

• 5

• 10

• 25

Solve

• -14

• 14

• no solution

• 28