Question

1. Zero has_________
reciprocal.
2. The reciprocal of a positive rational number is ________
3. The equation 3x + 7 = 13 is an example of a_________
equation.
4. In a linear equation the degree of a variable is________
5. The diagonals of a rectangle are_____________
6. The diagonals of a square bisect each other at________
degrees.
7. If a number has 1 or 9 in the unit's place, then its square ends in__________
8. If the area of a square is 100cm², then the length of its side is__________
9. The opposite sides of a parallelogram are_________
10. The product of two rational numbers is always a________​

Answer 1

1.No

2.Negative

3.linear

4.one

5.Equal

6.90°

7.1 or 9

8.10cm

9.Equal in length

10.Rational

Answer 2

Answer:

1. no

2. always positive

3. linear

4.

5. equal

6. 90 degrees

7. 1

8. 10cm

9. parallel

10. rational number