Math RBA

2. What name is given to a natural number greater than 1 that has exactly two distinct positive divisors?
3. Solve: If 3y = 27, what is y?
4. What word describes a rule that assigns each input exactly one output?
8. What is the longest chord of a circle that passes through the center called?
9. What is the slope of a line passing through (1,2) and (3,6)?
11. What term describes a natural number that has more than two positive divisors?
13. What is the greatest factor common to 18 and 24?
15. What word describes numbers that cannot be expressed as a simple fraction?
17. What name is given to an angle greater than 90° but less than 180°?
19. What do we call the measure of the surface of a shape in square units?
21. What is the circumference of a circle with radius 7 (use π=22/7)?
23. Solve: Simplify 7 × 10.
24. What angle is formed when the hands of a clock show 3 o'clock?

1. What word describes two lines that intersect at a right angle?
4. Solve: x² - 9 = 7. What is the value of x (positive root)?
5. What is the name of a line segment whose endpoints both lie on a circle?
6. What point divides the line segment joining (2,4) and (6,8) into two equal halves?
7. Solve: What is 5 squared?
10. In 2x + 3 = 11, what is the unknown symbol called?
12. What term describes two lines that never intersect, no matter how far they are extended?
14. Solve: If √x = 36, what is the value of x’s square root?
16. Solve: If the perimeter of a square is 48, what is the length of one side?
18. What term describes the distance from the center of a circle to any point on its boundary?
20. What kind of number is a whole number, positive, negative, or zero?
22. Solve: 2x + 5 = 27. What is the value of x?