Podcast Beta
Questions and Answers
- What is the value of $3x - 1$ when $x > 0$, if the distance between the points $A(x + 4, 2x)$ and $B(x, -1)$ is 5?
C) 5
- If $M(x, 5)$ is the midpoint of the line segment connecting the points $A(-2, y)$ and $B(3, 4)$, what is the value of $x + y$?
A) 13/2
- If the points $(-2, 6)$ and $(a, b)$ are the endpoints of the line segment whose midpoint is $(-3, 4)$, what is the value of $3a - 4b$?
B) -25
- If $x < 0$, what is the distance between the points $(4x, 3x)$ and $(-8x, -2x)$?
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- If the distance between the points $(-x - 2y, y - 4x)$ and $(-x, 5y - 4x)$, where $y > 0$, is $\sqrt{5}$, what is the value of $y$?
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