Ques 1 The point on X-axis which is equidistant from the points (2, -2) and (-4,2) is(a) (1,0) (b) (2,0) (c) (0,2) (d) (-1,0)
Question
Ques 1
The point on X-axis which is equidistant from the points (2, -2) and (-4,2) is
(a) (1,0)
(b) (2,0)
(c) (0,2)
(d) (-1,0)
Solution
Let's solve this step by step:
Step 1: We know that any point on the x-axis has the form (x, 0).
Step 2: We need to find the point (x, 0) that is equidistant from the points (2, -2) and (-4, 2). This means that the distance from (x, 0) to (2, -2) is equal to the distance from (x, 0) to (-4, 2).
Step 3: We can use the distance formula to set up the equation. The distance formula is √[(x2-x1)² + (y2-y1)²].
Step 4: Setting up the equation, we get:
√[(x-2)² + (0-(-2))²] = √[(x-(-4))² + (0-2)²]
Step 5: Squaring both sides to get rid of the square root, we get:
(x-2)² + 4 = (x+4)² + 4
Step 6: Simplifying, we get:
x² - 4x + 4 + 4 = x² + 8x + 16 + 4
Step 7: Subtracting x² from both sides and simplifying, we get:
-4x + 8 = 8x + 20
Step 8: Solving for x, we get:
x = -1
So, the point on the x-axis that is equidistant from the points (2, -2) and (-4, 2) is (-1, 0). Therefore, the correct answer is (d) (-1,0).
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