Word problems
Which of these numbers is irrational?
A) -0.125
B)-50
C)𝜋
D) 7/10
C) 𝜋
3√6 - 2√6?
√6
√275 in simplified radical form
5√11
Which number can be multiplied to a rational number to explain that the product of a rational number and an irrational number is irrational?
A) 2
B) -2 1/8
C)√7
D)3√8
C)√7
2√5+2√5?
4√5
3√135 simplify
3 3√5
If the length of a rectangle is given by the expression 2√153 and the width is given by 4√68, which radical expression represents the perimeter of the rectangle?
A) 6√34
B)14√17
C)28√17
D)32√17
C)28√17
√15-6√60
-11√15
(√ 7-√ 5)(√ 7+√ 5)
A)2
B)2√ 5
C)2√ 7-2√ 5
D)2√ 7
A)2
If x=3/4 and y=8, consider the sum of x and y. Which statement describes the sum of x and y?
A) The sum of x and y is a rational number
B) The sum of x and y is an irrational number
C) The sum of x and y is not a rational number
D) The sum of x and y is neither rational nor irrational
A) The sum of x and y is a rational number
2√8+4√96-√24
4√2+14√6
-2√196k8 simplify
-28k4
Which radical expression represents the perimeter of a triangle if the side length of the triangle are given by the expressions 13√ 80, 3√ 125, and √ 500?
A)16√ 5
B)26√ 5
C)39√ 5
D)77√ 5
D) 77√ 5
-3√6 - 5√6 + 4√8 + 4√2
-8√6 + 12√2
(√8x4y2)(√ 12x4y2)
4x4y2√6