Math 9- Intro to Square Roots

What is the square root of 81?

• 9
• 10
• 8
• 7

When adding or subtracting square roots, what must be the same?

• The exponents
• The radicands
• The bases
• The coefficients

What is one common method for estimating the square root of a number that is not a perfect square?

• Finding the two perfect squares between which the number lies and then interpolating between their square roots
• Dividing the number by itself
• Multiplying the number by itself
• Adding the number to itself

What is the value that, when multiplied by itself, yields a given number called?

• Radicand
• Square root
• Exponent
• Perfect square

What is one mathematical operation that can be performed on square roots?

• Subtraction
• Multiplication
• Addition
• All of the above

What is the process of simplifying the resulting expression after performing mathematical operations on square roots called?

• Rationalization
• Factoring
• Expansion
• Simplification

What is the result of the square root operation?

• Radicand
• Number
• Expression
• Square root

What is the radicand in the expression √49?

• √
• expression
• 7
• 49

What is the square root of 121?

• 12
• 9
• 11
• 10

What is one real-world application of square roots?

• Calculating distances
• Modeling exponential decay
• Solving quadratic equations
• All of the above