Question

1. Which is greater than 4?
(a) 5,
(b) -5,
(c) -1/2,
(d) -25.


2. Which is the smallest?
(a) -1,
(b) -1/2,
(c) 0,
(d) 3.
3. Combine terms: 12a + 26b -4b – 16a.
(a) 4a + 22b,
(b) -28a + 30b,
(c) -4a + 22b,
(d) 28a + 30b.
4. Simplify: (4 – 5) – (13 – 18 + 2).
(a) -1,
(b) –2,
(c) 1,
(d) 2.
5. What is |-26|?
(a) -26,
(b) 26,
(c) 0,
(d) 1
6. Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.
7. Factor: 5x2 – 15x – 20.

(a) 5(x-4)(x+1),

(b) -2(x-4)(x+5),

(c) -5(x+4)(x-1),

(d) 5(x+4)(x+1).
14. Factor: 3x4y3 – 48y3.

15. What is the radius of a circle that has a circumference of 3.14 meters?

Answer 1

Answer:

5.

Step-by-step explanation:

because it is positive.

answer2 -1

because it is negatively small.

-4+

22anwer3.

answer5 26

because after removing bracite sign will remove.

anwer6 .

now try left question by yourself. I hope this much is clear.