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1. If slope of one straight line is 2/3 and the slope of another line is -3/2, which of the following is true about the lines?

The lines form an angle of 0° at their intersection point.
The lines intersect each other at 3 points.
The lines form an angle of 90° at their intersection point.
The lines are parallel to each other
Not enough given information

2. Given a, b are two numbers. If a& b = (a + b)/ (a – b), then what is the value of 4 & (3 & 1).

0
1
2
3
4

3. In a bag there are 4 oranges, 5 apples and 6 peaches. If one fruit is pulled out from the bag, what is the probability that it is an apple or a peach?

30/225
11/225
11/15
5/15
6/15

4. If a – b = p, then what is a2 – 2ab + b2?

p
2p
-2p
p2
2p2

5. If 3(6x – 2) = 9(x + 3), then x is

0
1
2
3
4

6. If the equation of a parabola is given to be y = -2x2 +5x – 4, then what is the x-coordinate of the highest point on the graph of the parabola in an X-Y plane?

5/4
-5/4
4/5
-4/5
½