#1
Simplify the expression: √25 * √9
15
ExplanationProduct of square roots of perfect squares.
#2
Which of the following is an irrational number?
π
Explanationπ is a non-repeating, non-terminating decimal.
#3
If x = √16, what is the value of x?
4
ExplanationSquare root of a perfect square.
#4
If x = √81, what is the value of x?
3
ExplanationSquare root of a perfect square.
#5
Perform the operation: (5/2) + (3/4)
13/4
ExplanationAddition of fractions.
#6
Simplify the expression: √72 / √2
6√2
ExplanationQuotient of square roots.
#7
Simplify the expression: √50 - √18
5√2 - 3√2
ExplanationSubtraction of square roots.
#8
Perform the operation: (2/3) * (5/4)
5/6
ExplanationMultiplication of fractions.
#9
Simplify the expression: 3√27
9
ExplanationCube root of a perfect cube.
#10
Which of the following statements is true for rational numbers?
They have repeating or terminating decimals
ExplanationCharacteristic of rational numbers.
#11
Simplify the expression: 2√45
6√5
ExplanationMultiplying a constant with a square root.
#12
Which of the following is a rational number?
0.666...
ExplanationRepeating decimal representation.
#13
If x = -√36, what is the value of x?
-6
ExplanationSquare root of a perfect square.
#14
Simplify the expression: √80 / √5
4√5
ExplanationQuotient of square roots.