1
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the axes are rotated through an angle 45$$^\circ$$, the new coordinates of a point P are (1, $$-$$1). The coordinates of P in the original system are

A
($$\sqrt2$$, $$\sqrt2$$)
B
($$\sqrt2$$, 0)
C
(0, $$\sqrt2$$)
D
($$-\sqrt2$$, 0)
2
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find the equation of a straight line passing through $$(-5,6)$$ and cutting off equal intercepts on the coordinate axes.

A
$$6 x-5 y=30$$
B
$$x-y=-11$$
C
$$x+y=11$$
D
$$x+y=1$$
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Line has slope $$m$$ and $$y$$-intercept 4 . The distance between the origin and the line is equal to

A
$$\frac{4}{\sqrt{1-m^2}}$$
B
$$\frac{4}{\sqrt{m^2-1}}$$
C
$$\frac{4}{\sqrt{m^2+1}}$$
D
$$\frac{4 m}{\sqrt{m^2+1}}$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation of the base of an equilateral triangle is $$x+y=2$$ and one vertex is $$(2,-1)$$, then the length of the side of the triangle is

A
$$\sqrt{3 / 2} / \sqrt{2 / 3}$$
B
$$\sqrt{2}$$
C
$$\sqrt{2 / 3}$$
D
$$\sqrt{3 / 2}$$
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