Free Practice Question
PS · Problem Solving
sub-505
Algebra
Given that and , what is the nearest integer approximation of y?
Answer Choices
Correct answer marked belowA
19
B
14
C
15
D
18
17
Correct
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Explanation
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Official Explanation
Official
To determine the closest integer approximation of y when and , we can look for perfect squares near . We find that [m]17^2 =…
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Sign in to commentWhat this question tests
What it tests
Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.
Common trap
Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.
Details
Difficulty
sub-505
Type
PS
Category