SAT > Mathematics for SAT > Test: Exponents and Radicals - 1
Test: Exponents and Radicals - 1
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10 Questions MCQ Test Mathematics for SAT | Test: Exponents and Radicals - 1
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Test: Exponents and Radicals - 1 - Question 1
If 3(x+y) = 81 and 81(x−y) = 3, then the value of x is
Detailed Solution for Test: Exponents and Radicals - 1 - Question 1
3x+y = 81
3x+y = 34
x + 4 = 4....(1)
81x-y = 3
(34)x-y = 3
4(x - y) = 3
34(x-y) = 1
x - y = 1/4....(2)
(1) + (2)
2x = 17/4
x = 17/8
Detailed Solution for Test: Exponents and Radicals - 1 - Question 2
4√6
Detailed Solution for Test: Exponents and Radicals - 1 - Question 3
2x = ∛32
2x = (2)5/3
x = 5/3
Test: Exponents and Radicals - 1 - Question 4
Given that √5 = 2.236 and √3 = 1.732, then the value of 
is
Detailed Solution for Test: Exponents and Radicals - 1 - Question 4
√5 = 2.236
√3 = 1.732
0.252
Detailed Solution for Test: Exponents and Radicals - 1 - Question 5
10x = 1/2
10-8x = (10x)−8
= (1/2)−8
= 28
= 256
Detailed Solution for Test: Exponents and Radicals - 1 - Question 6
51/4 × (125)0.25
= 5
Detailed Solution for Test: Exponents and Radicals - 1 - Question 7
= 2
Detailed Solution for Test: Exponents and Radicals - 1 - Question 8
Detailed Solution for Test: Exponents and Radicals - 1 - Question 9
= -2
lies between
Detailed Solution for Test: Exponents and Radicals - 1 - Question 10
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