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If x^2 = 2y^3 and 2y = 4, what is the value of x^2 + y? A. -14 B. -2
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14 Dec 2021, 06:33
14 Dec 2021, 06:33
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If x² = 2y³ and 2y = 4, what is the value of x² + y?
A. -14
B. -2
C. 3
D. 6
E. 18
_________________
A. -14
B. -2
C. 3
D. 6
E. 18
_________________
Re: If x^2 = 2y^3 and 2y = 4, what is the value of x^2 + y? A. -14 B. -2
[#permalink]
14 Dec 2021, 07:04
14 Dec 2021, 07:04
Carcass wrote:
If x² = 2y³ and 2y = 4, what is the value of x² + y?
A. -14
B. -2
C. 3
D. 6
E. 18
A. -14
B. -2
C. 3
D. 6
E. 18
Since we're told 2y = 4, we can conclude that y = 2
Now take the equation x² = 2y³, and replace y with 2 to get: x² = 2(2³)
Simplify: x² = 16
So, x² + y = 16 + 2 = 18
Answer: E
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Re: If x^2 = 2y^3 and 2y = 4, what is the value of x^2 + y? A. -14 B. -2
[#permalink]
15 Jan 2023, 03:20
15 Jan 2023, 03:20
Given that \(x² = 2y³\) and 2y = 4 and we need to find the value of \(x² + y\)
2y = 4
=> y = \(\frac{4}{2}\) = 2
\(x² = 2y³\) = 2 * \(2^3\) = 2 * 8 = 16
=> \(x² + y\) = 16 + 2 = 18
So, Answer will be E
Hope it helps!
Watch the following video to learn the Basics of Exponents
_________________
2y = 4
=> y = \(\frac{4}{2}\) = 2
\(x² = 2y³\) = 2 * \(2^3\) = 2 * 8 = 16
=> \(x² + y\) = 16 + 2 = 18
So, Answer will be E
Hope it helps!
Watch the following video to learn the Basics of Exponents
_________________
Ankit
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How to Solve :
Similar Triangles || Exponents || Work Rate || Probability: Coin Toss || Probability: Dice Roll || Prime Numbers || Circles || Equilateral Triangle in a Circle || Arithmetic and Geometric Progression || Divisibility Rules || Absolute Value || Inequalities || Statistics || Functions and Custom Characters || Remainders || LCM and GCD || Stem & Leaf Plot || Box And Whisker Plot
GRE Club Topic Wise Problems
GRE Quant - 2019 Ed
GRE Verbal - 2019 Ed
The Princeton Review Quantitative Directory
The 5 lb. Book of GRE Practice Problems (2nd Ed.) - QUANT
GRE - PowerPrep® The FREE Practice Tests Explained 2019
to BrushMyQuant YouTube Channel to get WEEKLY new VIDEOS!!!How to Solve :
Similar Triangles || Exponents || Work Rate || Probability: Coin Toss || Probability: Dice Roll || Prime Numbers || Circles || Equilateral Triangle in a Circle || Arithmetic and Geometric Progression || Divisibility Rules || Absolute Value || Inequalities || Statistics || Functions and Custom Characters || Remainders || LCM and GCD || Stem & Leaf Plot || Box And Whisker Plot
GRE Club Topic Wise Problems
GRE Quant - 2019 Ed
GRE Verbal - 2019 Ed
The Princeton Review Quantitative Directory
The 5 lb. Book of GRE Practice Problems (2nd Ed.) - QUANT
GRE - PowerPrep® The FREE Practice Tests Explained 2019
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