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MTH103 8/10

1. The ________ product of a→ and b→ is denoted by a→×b→.

Vector

2. The distance between the points A=(4,3) and B=(6,5) is

8

3. A straight line has a gradient of 53 and its passes through the point (1,3), It’s intercept on the y-axis is

-83

4. A line is said to be straight if and only if it has a constant ______.

gradient

5. The gradient of the line joining M4,3 and N9,7 is ________

35

6. Suppose a→=2i+4j+3k and b→=i+5j-2k, then the vector product is ________

-23i+7j+6k

7. Given that a→=5i+7j and b→=13i+17j then the evaluation of a→×b→ is _______

6

8. The angle between two parallel lines in a plane is

00

9. If C=3,6 and D=4,8. The coordinate of the point of CD is

312,7

10. The acute angle between two parallel lines in a plane is